{"url":"http://public2.vulnerablecode.io/api/packages/75329?format=json","purl":"pkg:pypi/matrix-synapse@1.116.0","type":"pypi","namespace":"","name":"matrix-synapse","version":"1.116.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"1.152.1","latest_non_vulnerable_version":"1.152.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/47964?format=json","vulnerability_id":"VCID-361n-7ar1-fqgr","summary":"Synapse's invalid device keys degrade federation functionality\nLack of validation for device keys in Synapse before 1.138.3 and in Synapse 1.139.0 allow an attacker registered on the victim homeserver to degrade federation functionality, unpredictably breaking outbound federation to other homeservers.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61672.json","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-61672.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-61672","reference_id":"","reference_type":"","scores":[{"value":"0.00046","scoring_system":"epss","scoring_elements":"0.14558","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00046","scoring_system":"epss","scoring_elements":"0.14676","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00046","scoring_system":"epss","scoring_elements":"0.14682","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00046","scoring_system":"epss","scoring_elements":"0.1464","published_at":"2026-06-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-61672"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/element-hq/synapse/commit/26aaaf9e48fff80cf67a20c691c75d670034b3c1","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/commit/26aaaf9e48fff80cf67a20c691c75d670034b3c1"},{"reference_url":"https://github.com/element-hq/synapse/commit/7069636c2d6d1ef2022287addf3ed8b919ef2740","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/commit/7069636c2d6d1ef2022287addf3ed8b919ef2740"},{"reference_url":"https://github.com/element-hq/synapse/pull/17097","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/pull/17097"},{"reference_url":"https://github.com/element-hq/synapse/releases/tag/v1.138.3","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/releases/tag/v1.138.3"},{"reference_url":"https://github.com/element-hq/synapse/releases/tag/v1.138.4","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse/releases/tag/v1.138.4"},{"reference_url":"https://github.com/element-hq/synapse/releases/tag/v1.139.1","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/releases/tag/v1.139.1"},{"reference_url":"https://github.com/element-hq/synapse/releases/tag/v1.139.2","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse/releases/tag/v1.139.2"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117854","reference_id":"1117854","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117854"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2402525","reference_id":"2402525","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2402525"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61672","reference_id":"CVE-2025-61672","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61672"},{"reference_url":"https://github.com/advisories/GHSA-fh66-fcv5-jjfr","reference_id":"GHSA-fh66-fcv5-jjfr","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-fh66-fcv5-jjfr"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-fh66-fcv5-jjfr","reference_id":"GHSA-fh66-fcv5-jjfr","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-15T16:10:58Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-fh66-fcv5-jjfr"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/70763?format=json","purl":"pkg:pypi/matrix-synapse@1.138.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-44n9-z1mc-fydq"},{"vulnerability":"VCID-57xv-u1be-mfez"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.138.3"},{"url":"http://public2.vulnerablecode.io/api/packages/70764?format=json","purl":"pkg:pypi/matrix-synapse@1.139.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-44n9-z1mc-fydq"},{"vulnerability":"VCID-57xv-u1be-mfez"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.139.1"}],"aliases":["CVE-2025-61672","GHSA-fh66-fcv5-jjfr"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-361n-7ar1-fqgr"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56299?format=json","vulnerability_id":"VCID-3gx5-a6ja-eyhc","summary":"Synapse allows unsupported content types to lead to memory exhaustion\nIn Synapse before 1.120.1, `multipart/form-data` requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-52805","reference_id":"","reference_type":"","scores":[{"value":"0.01089","scoring_system":"epss","scoring_elements":"0.78282","published_at":"2026-06-08T12:55:00Z"},{"value":"0.01089","scoring_system":"epss","scoring_elements":"0.78293","published_at":"2026-06-07T12:55:00Z"},{"value":"0.01089","scoring_system":"epss","scoring_elements":"0.78304","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01089","scoring_system":"epss","scoring_elements":"0.78296","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-52805"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"}],"url":"https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518"},{"reference_url":"https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"}],"url":"https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995","reference_id":"1088995","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52805","reference_id":"CVE-2024-52805","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52805"},{"reference_url":"https://github.com/advisories/GHSA-rfq8-j7rh-8hf2","reference_id":"GHSA-rfq8-j7rh-8hf2","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-rfq8-j7rh-8hf2"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2","reference_id":"GHSA-rfq8-j7rh-8hf2","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:04:05Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/83451?format=json","purl":"pkg:pypi/matrix-synapse@1.120.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"}],"aliases":["CVE-2024-52805","GHSA-rfq8-j7rh-8hf2"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-3gx5-a6ja-eyhc"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/91997?format=json","vulnerability_id":"VCID-44n9-z1mc-fydq","summary":"Synapse pagination Denial of Service\n### Impact\n\nIn federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients.\n\nClients could therefore fail to display room history.\n\n### Patches\n\nUpdate to Synapse 1.152.1 or later.\n\n### Workarounds\n\nThere are no known workarounds for this issue.\n\n### Identifiers\n\n- ELEMENTSEC-2025-1636\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45076","reference_id":"","reference_type":"","scores":[{"value":"0.00091","scoring_system":"epss","scoring_elements":"0.25833","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00091","scoring_system":"epss","scoring_elements":"0.25719","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00091","scoring_system":"epss","scoring_elements":"0.25777","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00091","scoring_system":"epss","scoring_elements":"0.25824","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45076"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-6qf2-7x63-mm6v","reference_id":"","reference_type":"","scores":[{"value":"2.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"5.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-06-02T14:51:22Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-6qf2-7x63-mm6v"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-194.yaml","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-194.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45076","reference_id":"","reference_type":"","scores":[{"value":"6.9","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45076"},{"reference_url":"https://github.com/advisories/GHSA-6qf2-7x63-mm6v","reference_id":"GHSA-6qf2-7x63-mm6v","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-6qf2-7x63-mm6v"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/75426?format=json","purl":"pkg:pypi/matrix-synapse@1.152.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.152.1"}],"aliases":["CVE-2026-45076","CVE-2026-45076,","GHSA-6qf2-7x63-mm6v","PYSEC-2026-194"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-44n9-z1mc-fydq"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51318?format=json","vulnerability_id":"VCID-57xv-u1be-mfez","summary":"Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45078","reference_id":"","reference_type":"","scores":[{"value":"0.00014","scoring_system":"epss","scoring_elements":"0.02901","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00014","scoring_system":"epss","scoring_elements":"0.02917","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00014","scoring_system":"epss","scoring_elements":"0.02971","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00014","scoring_system":"epss","scoring_elements":"0.02963","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45078"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/element-hq/synapse/commit/3f58bc50dfba5768ee43ce48c5e74c25ba0b078a","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse/commit/3f58bc50dfba5768ee43ce48c5e74c25ba0b078a"},{"reference_url":"https://github.com/element-hq/synapse/issues/19394","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse/issues/19394"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-8q93-326v-3m7g","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"6.8","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-29T15:31:35Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-8q93-326v-3m7g"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-191.yaml","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-191.yaml"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45078","reference_id":"","reference_type":"","scores":[{"value":"5.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45078"},{"reference_url":"https://github.com/advisories/GHSA-8q93-326v-3m7g","reference_id":"GHSA-8q93-326v-3m7g","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-8q93-326v-3m7g"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/75426?format=json","purl":"pkg:pypi/matrix-synapse@1.152.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.152.1"}],"aliases":["CVE-2026-45078","CVE-2026-45078,","GHSA-8q93-326v-3m7g","PYSEC-2026-191"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-57xv-u1be-mfez"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56302?format=json","vulnerability_id":"VCID-8vfd-w1xq-wuf9","summary":"Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders\nIn Synapse versions before 1.120.1, enabling the `dynamic_thumbnails` option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing.\n\nThis significantly expands the attack surface in a historically vulnerable area, presenting a risk that far outweighs the benefit, particularly since these formats are rarely used on the open web or within the Matrix ecosystem.\n\nFor a list of image formats, as well as decoding libraries and helper programs used, see [the Pillow documentation](https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-53863","reference_id":"","reference_type":"","scores":[{"value":"0.00962","scoring_system":"epss","scoring_elements":"0.76876","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00962","scoring_system":"epss","scoring_elements":"0.76884","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00962","scoring_system":"epss","scoring_elements":"0.76863","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00962","scoring_system":"epss","scoring_elements":"0.76873","published_at":"2026-06-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-53863"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995","reference_id":"1088995","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53863","reference_id":"CVE-2024-53863","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53863"},{"reference_url":"https://github.com/advisories/GHSA-vp6v-whfm-rv3g","reference_id":"GHSA-vp6v-whfm-rv3g","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-vp6v-whfm-rv3g"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g","reference_id":"GHSA-vp6v-whfm-rv3g","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"},{"value":"8.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:32Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-vp6v-whfm-rv3g"},{"reference_url":"https://usn.ubuntu.com/7444-1/","reference_id":"USN-7444-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7444-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/83451?format=json","purl":"pkg:pypi/matrix-synapse@1.120.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"}],"aliases":["CVE-2024-53863","GHSA-vp6v-whfm-rv3g"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8vfd-w1xq-wuf9"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56303?format=json","vulnerability_id":"VCID-f81p-k1bf-x7fq","summary":"Synapse Matrix has a partial room state leak via Sliding Sync\nThe Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-53867","reference_id":"","reference_type":"","scores":[{"value":"0.00134","scoring_system":"epss","scoring_elements":"0.32471","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00134","scoring_system":"epss","scoring_elements":"0.32502","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00134","scoring_system":"epss","scoring_elements":"0.32541","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00134","scoring_system":"epss","scoring_elements":"0.32573","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-53867"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/matrix-org/matrix-spec-proposals/pull/4186","reference_id":"","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:06Z/"}],"url":"https://github.com/matrix-org/matrix-spec-proposals/pull/4186"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995","reference_id":"1088995","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53867","reference_id":"CVE-2024-53867","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53867"},{"reference_url":"https://github.com/advisories/GHSA-56w4-5538-8v8h","reference_id":"GHSA-56w4-5538-8v8h","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-56w4-5538-8v8h"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h","reference_id":"GHSA-56w4-5538-8v8h","reference_type":"","scores":[{"value":"4.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:07:06Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/83451?format=json","purl":"pkg:pypi/matrix-synapse@1.120.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"}],"aliases":["CVE-2024-53867","GHSA-56w4-5538-8v8h"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-f81p-k1bf-x7fq"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56991?format=json","vulnerability_id":"VCID-hnm3-rn4r-1qa4","summary":"Synapse vulnerable to federation denial of service via malformed events\nA malicious server can craft events with a `depth` outside the integer range allowed by Canonical JSON. When such an event is received by Synapse version up to 1.127.0, it prevents it from federating with other servers. The vulnerability has been exploited in the wild.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-30355","reference_id":"","reference_type":"","scores":[{"value":"0.13201","scoring_system":"epss","scoring_elements":"0.94278","published_at":"2026-06-07T12:55:00Z"},{"value":"0.13201","scoring_system":"epss","scoring_elements":"0.94277","published_at":"2026-06-08T12:55:00Z"},{"value":"0.13201","scoring_system":"epss","scoring_elements":"0.94275","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-30355"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://github.com/element-hq/synapse/commit/2277df2a1eb685f85040ef98fa21d41aa4cdd389","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"}],"url":"https://github.com/element-hq/synapse/commit/2277df2a1eb685f85040ef98fa21d41aa4cdd389"},{"reference_url":"https://github.com/element-hq/synapse/releases/tag/v1.127.1","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"}],"url":"https://github.com/element-hq/synapse/releases/tag/v1.127.1"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30355","reference_id":"CVE-2025-30355","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30355"},{"reference_url":"https://github.com/advisories/GHSA-v56r-hwv5-mxg6","reference_id":"GHSA-v56r-hwv5-mxg6","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-v56r-hwv5-mxg6"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-v56r-hwv5-mxg6","reference_id":"GHSA-v56r-hwv5-mxg6","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-27T13:47:41Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-v56r-hwv5-mxg6"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/75359?format=json","purl":"pkg:pypi/matrix-synapse@1.127.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-361n-7ar1-fqgr"},{"vulnerability":"VCID-44n9-z1mc-fydq"},{"vulnerability":"VCID-57xv-u1be-mfez"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.127.1"}],"aliases":["CVE-2025-30355","GHSA-v56r-hwv5-mxg6"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-hnm3-rn4r-1qa4"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56300?format=json","vulnerability_id":"VCID-mxt4-9769-pkd5","summary":"Synapse allows a a malformed invite to break the invitee's `/sync`\nSynapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's `/sync` functionality.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-52815","reference_id":"","reference_type":"","scores":[{"value":"0.00353","scoring_system":"epss","scoring_elements":"0.5801","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00353","scoring_system":"epss","scoring_elements":"0.57993","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00353","scoring_system":"epss","scoring_elements":"0.58008","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00353","scoring_system":"epss","scoring_elements":"0.58018","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-52815"},{"reference_url":"https://github.com/element-hq/synapse","reference_id":"","reference_type":"","scores":[{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/element-hq/synapse"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995","reference_id":"1088995","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1088995"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52815","reference_id":"CVE-2024-52815","reference_type":"","scores":[{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52815"},{"reference_url":"https://github.com/advisories/GHSA-f3r3-h2mq-hx2h","reference_id":"GHSA-f3r3-h2mq-hx2h","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-f3r3-h2mq-hx2h"},{"reference_url":"https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h","reference_id":"GHSA-f3r3-h2mq-hx2h","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-12-03T19:05:32Z/"}],"url":"https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/83451?format=json","purl":"pkg:pypi/matrix-synapse@1.120.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.120.1"}],"aliases":["CVE-2024-52815","GHSA-f3r3-h2mq-hx2h"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-mxt4-9769-pkd5"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/matrix-synapse@1.116.0"}