{"url":"http://public2.vulnerablecode.io/api/packages/11659?format=json","purl":"pkg:pypi/mitmproxy@3.0.3","type":"pypi","namespace":"","name":"mitmproxy","version":"3.0.3","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"12.2.2","latest_non_vulnerable_version":"12.2.2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/36062?format=json","vulnerability_id":"VCID-8xbk-3z3r-nkfh","summary":"mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.4 and below, a malicious client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a malicious client/server could smuggle a request/response through mitmproxy as part of another request/response's HTTP message body. While mitmproxy would only see one request, the target server would see multiple requests. A smuggled request is still captured as part of another request's body, but it does not appear in the request list and does not go through the usual mitmproxy event hooks, where users may have implemented custom access control checks or input sanitization. Unless mitmproxy is used to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in mitmproxy 8.0.0 and above. There are currently no known workarounds.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24766","reference_id":"","reference_type":"","scores":[{"value":"0.00789","scoring_system":"epss","scoring_elements":"0.74222","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24766"},{"reference_url":"https://github.com/mitmproxy/mitmproxy","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/commit/b06fb6d157087d526bd02e7aadbe37c56865c71b","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/commit/b06fb6d157087d526bd02e7aadbe37c56865c71b"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-gcx2-gvj7-pxv3","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-gcx2-gvj7-pxv3"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2022-170.yaml","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2022-170.yaml"},{"reference_url":"https://mitmproxy.org/posts/releases/mitmproxy8","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://mitmproxy.org/posts/releases/mitmproxy8"},{"reference_url":"https://mitmproxy.org/posts/releases/mitmproxy8/","reference_id":"","reference_type":"","scores":[],"url":"https://mitmproxy.org/posts/releases/mitmproxy8/"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1008948","reference_id":"1008948","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1008948"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24766","reference_id":"CVE-2022-24766","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24766"},{"reference_url":"https://github.com/advisories/GHSA-gcx2-gvj7-pxv3","reference_id":"GHSA-gcx2-gvj7-pxv3","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-gcx2-gvj7-pxv3"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/27088?format=json","purl":"pkg:pypi/mitmproxy@8.0.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-qgvt-wb92-9kbw"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/mitmproxy@8.0.0"}],"aliases":["CVE-2022-24766","GHSA-gcx2-gvj7-pxv3","PYSEC-2022-170"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-8xbk-3z3r-nkfh"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7101?format=json","vulnerability_id":"VCID-f126-n8nd-jfgs","summary":"url request injection","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-39214","reference_id":"","reference_type":"","scores":[{"value":"0.00193","scoring_system":"epss","scoring_elements":"0.40985","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-39214"},{"reference_url":"https://github.com/mitmproxy/mitmproxy","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-22gh-3r9q-xf38","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-22gh-3r9q-xf38"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2021-328.yaml","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2021-328.yaml"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994570","reference_id":"994570","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994570"},{"reference_url":"https://security.archlinux.org/AVG-2395","reference_id":"AVG-2395","reference_type":"","scores":[{"value":"Medium","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-2395"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39214","reference_id":"CVE-2021-39214","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"9.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39214"},{"reference_url":"https://github.com/advisories/GHSA-22gh-3r9q-xf38","reference_id":"GHSA-22gh-3r9q-xf38","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-22gh-3r9q-xf38"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/23568?format=json","purl":"pkg:pypi/mitmproxy@7.0.3","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-8xbk-3z3r-nkfh"},{"vulnerability":"VCID-qgvt-wb92-9kbw"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/mitmproxy@7.0.3"}],"aliases":["CVE-2021-39214","GHSA-22gh-3r9q-xf38","PYSEC-2021-328"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-f126-n8nd-jfgs"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/35235?format=json","vulnerability_id":"VCID-pddc-5c8v-qqbs","summary":"mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14505","reference_id":"","reference_type":"","scores":[{"value":"0.00339","scoring_system":"epss","scoring_elements":"0.56926","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14505"},{"reference_url":"https://github.com/advisories/GHSA-6m53-c78q-7qmg","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-6m53-c78q-7qmg"},{"reference_url":"https://github.com/mitmproxy/mitmproxy","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/commit/7f464b89296881f4d9ec032378c4418e832d17e3","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/commit/7f464b89296881f4d9ec032378c4418e832d17e3"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/issues/3234","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/issues/3234"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/pull/3243","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/pull/3243"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2018-56.yaml","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/mitmproxy/PYSEC-2018-56.yaml"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904293","reference_id":"904293","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904293"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14505","reference_id":"CVE-2018-14505","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"9.2","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14505"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/11664?format=json","purl":"pkg:pypi/mitmproxy@4.0.4","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-8xbk-3z3r-nkfh"},{"vulnerability":"VCID-f126-n8nd-jfgs"},{"vulnerability":"VCID-qgvt-wb92-9kbw"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/mitmproxy@4.0.4"}],"aliases":["CVE-2018-14505","GHSA-6m53-c78q-7qmg","PYSEC-2018-56"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-pddc-5c8v-qqbs"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/37298?format=json","vulnerability_id":"VCID-qgvt-wb92-9kbw","summary":"mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP server. This allows a malicious client to bypass authentication. Only mitmproxy instances using the proxyauth option with LDAP are affected. This option is not enabled by default. The vulnerability has been fixed in mitmproxy 12.2.2 and above.","references":[{"reference_url":"https://github.com/mitmproxy/mitmproxy","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy"},{"reference_url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-527g-3w9m-29hv","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/mitmproxy/mitmproxy/security/advisories/GHSA-527g-3w9m-29hv"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40606","reference_id":"","reference_type":"","scores":[{"value":"4.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40606"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134620","reference_id":"1134620","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134620"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/49585?format=json","purl":"pkg:pypi/mitmproxy@12.2.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/mitmproxy@12.2.2"}],"aliases":["CVE-2026-40606","GHSA-527g-3w9m-29hv","PYSEC-2026-92"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-qgvt-wb92-9kbw"}],"fixing_vulnerabilities":[],"risk_score":"4.5","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/mitmproxy@3.0.3"}