{"url":"http://public2.vulnerablecode.io/api/packages/789771?format=json","purl":"pkg:pypi/langchain-core@0.1.40","type":"pypi","namespace":"","name":"langchain-core","version":"0.1.40","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"0.3.85","latest_non_vulnerable_version":"1.3.3","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/70691?format=json","vulnerability_id":"VCID-4d2u-fwaa-mqe2","summary":"LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.get_num_tokens_from_messages() method fetches arbitrary image_url values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Request Forgery (SSRF) attacks by providing malicious image URLs in user input. This vulnerability is fixed in 1.2.11.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-26013.json","reference_id":"","reference_type":"","scores":[{"value":"3.7","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-26013.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-26013","reference_id":"","reference_type":"","scores":[{"value":"0.00019","scoring_system":"epss","scoring_elements":"0.05534","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-26013"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2438772","reference_id":"2438772","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2438772"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/2b4b1dc29a833d4053deba4c2b77a3848c834565","reference_id":"2b4b1dc29a833d4053deba4c2b77a3848c834565","reference_type":"","scores":[{"value":"3.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"LOW","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/2026-02-11T21:26:20Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/2b4b1dc29a833d4053deba4c2b77a3848c834565"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26013","reference_id":"CVE-2026-26013","reference_type":"","scores":[{"value":"3.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"LOW","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26013"},{"reference_url":"https://github.com/advisories/GHSA-2g6r-c272-w58r","reference_id":"GHSA-2g6r-c272-w58r","reference_type":"","scores":[{"value":"LOW","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-2g6r-c272-w58r"},{"reference_url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-2g6r-c272-w58r","reference_id":"GHSA-2g6r-c272-w58r","reference_type":"","scores":[{"value":"3.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"LOW","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"LOW","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/2026-02-11T21:26:20Z/"}],"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-2g6r-c272-w58r"},{"reference_url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.11","reference_id":"langchain-core%3D%3D1.2.11","reference_type":"","scores":[{"value":"3.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"LOW","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/2026-02-11T21:26:20Z/"}],"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.11"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/39077?format=json","purl":"pkg:pypi/langchain-core@1.2.11","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@1.2.11"}],"aliases":["CVE-2026-26013","GHSA-2g6r-c272-w58r"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-4d2u-fwaa-mqe2"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/91014?format=json","vulnerability_id":"VCID-6wrk-shm9-fua2","summary":"LangChain is a framework for building agents and LLM-powered applications. From versions 0.3.79 and prior and 1.0.0 to 1.0.6, a template injection vulnerability exists in LangChain's prompt template system that allows attackers to access Python object internals through template syntax. This vulnerability affects applications that accept untrusted template strings (not just template variables) in ChatPromptTemplate and related prompt template classes. This issue has been patched in versions 0.3.80 and 1.0.7.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-65106.json","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-65106.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-65106","reference_id":"","reference_type":"","scores":[{"value":"0.00052","scoring_system":"epss","scoring_elements":"0.1656","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-65106"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2416504","reference_id":"2416504","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2416504"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/c4b6ba254e1a49ed91f2e268e6484011c540542a","reference_id":"c4b6ba254e1a49ed91f2e268e6484011c540542a","reference_type":"","scores":[{"value":"8.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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:N/T:P/P:M/B:A/M:M/D:T/2025-11-21T21:53:02Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/c4b6ba254e1a49ed91f2e268e6484011c540542a"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65106","reference_id":"CVE-2025-65106","reference_type":"","scores":[{"value":"8.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65106"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/fa7789d6c21222b85211755d822ef698d3b34e00","reference_id":"fa7789d6c21222b85211755d822ef698d3b34e00","reference_type":"","scores":[{"value":"8.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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:N/T:P/P:M/B:A/M:M/D:T/2025-11-21T21:53:02Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/fa7789d6c21222b85211755d822ef698d3b34e00"},{"reference_url":"https://github.com/advisories/GHSA-6qv9-48xg-fc7f","reference_id":"GHSA-6qv9-48xg-fc7f","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-6qv9-48xg-fc7f"},{"reference_url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-6qv9-48xg-fc7f","reference_id":"GHSA-6qv9-48xg-fc7f","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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:N/T:P/P:M/B:A/M:M/D:T/2025-11-21T21:53:02Z/"}],"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-6qv9-48xg-fc7f"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/35362?format=json","purl":"pkg:pypi/langchain-core@0.3.80","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4d2u-fwaa-mqe2"},{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-qn1e-z7wf-a3d4"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@0.3.80"},{"url":"http://public2.vulnerablecode.io/api/packages/35365?format=json","purl":"pkg:pypi/langchain-core@1.0.7","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4d2u-fwaa-mqe2"},{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-qn1e-z7wf-a3d4"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@1.0.7"}],"aliases":["CVE-2025-65106","GHSA-6qv9-48xg-fc7f"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6wrk-shm9-fua2"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/52374?format=json","vulnerability_id":"VCID-8a1t-5wy6-tkck","summary":"A vulnerability in langchain-core versions >=0.1.17,<0.1.53, >=0.2.0,<0.2.43, and >=0.3.0,<0.3.15 allows unauthorized users to read arbitrary files from the host file system. The issue arises from the ability to create langchain_core.prompts.ImagePromptTemplate's (and by extension langchain_core.prompts.ChatPromptTemplate's) with input variables that can read any user-specified path from the server file system. If the outputs of these prompt templates are exposed to the user, either directly or through downstream model outputs, it can lead to the exposure of sensitive information.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-10940.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-10940.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-10940","reference_id":"","reference_type":"","scores":[{"value":"0.00274","scoring_system":"epss","scoring_elements":"0.51123","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-10940"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/7d481f10102f43559cc57bcad7eba291067939ee","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langchain-ai/langchain/commit/7d481f10102f43559cc57bcad7eba291067939ee"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/e711034713259ae448981bc0fd1d7a5671499c31","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langchain-ai/langchain/commit/e711034713259ae448981bc0fd1d7a5671499c31"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-10940","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/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-2024-10940"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2353815","reference_id":"2353815","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2353815"},{"reference_url":"https://huntr.com/bounties/be1ee1cb-2147-4ff4-a57b-b6045271cf27","reference_id":"be1ee1cb-2147-4ff4-a57b-b6045271cf27","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/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:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-03-20T17:54:57Z/"}],"url":"https://huntr.com/bounties/be1ee1cb-2147-4ff4-a57b-b6045271cf27"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/c1e742347f9701aadba8920e4d1f79a636e50b68","reference_id":"c1e742347f9701aadba8920e4d1f79a636e50b68","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:N/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:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-03-20T17:54:57Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/c1e742347f9701aadba8920e4d1f79a636e50b68"},{"reference_url":"https://github.com/advisories/GHSA-5chr-fjjv-38qv","reference_id":"GHSA-5chr-fjjv-38qv","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-5chr-fjjv-38qv"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/377930?format=json","purl":"pkg:pypi/langchain-core@0.1.53","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4d2u-fwaa-mqe2"},{"vulnerability":"VCID-6wrk-shm9-fua2"},{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-qn1e-z7wf-a3d4"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@0.1.53"},{"url":"http://public2.vulnerablecode.io/api/packages/377931?format=json","purl":"pkg:pypi/langchain-core@0.2.43","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4d2u-fwaa-mqe2"},{"vulnerability":"VCID-6wrk-shm9-fua2"},{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-qn1e-z7wf-a3d4"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@0.2.43"},{"url":"http://public2.vulnerablecode.io/api/packages/377932?format=json","purl":"pkg:pypi/langchain-core@0.3.15","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-4d2u-fwaa-mqe2"},{"vulnerability":"VCID-6wrk-shm9-fua2"},{"vulnerability":"VCID-ngf2-kxcw-57e3"},{"vulnerability":"VCID-ny86-fcz9-2b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is a framework for building agents and LLM-powered applications. Prior to version 1.2.22, multiple functions in langchain_core.prompts.loading read files from paths embedded in deserialized config dicts without validating against directory traversal or absolute path injection. When an application passes user-influenced prompt configurations to load_prompt() or load_prompt_from_config(), an attacker can read arbitrary files on the host filesystem, constrained only by file-extension checks (.txt for templates, .json/.yaml for examples). This issue has been patched in version 1.2.22.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34070.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34070.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-34070","reference_id":"","reference_type":"","scores":[{"value":"0.00037","scoring_system":"epss","scoring_elements":"0.11385","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-34070"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34070","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34070"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453287","reference_id":"2453287","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453287"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/27add913474e01e33bededf4096151130ba0d47c","reference_id":"27add913474e01e33bededf4096151130ba0d47c","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-31T15:17:33Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/27add913474e01e33bededf4096151130ba0d47c"},{"reference_url":"https://github.com/advisories/GHSA-qh6h-p6c9-ff54","reference_id":"GHSA-qh6h-p6c9-ff54","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-qh6h-p6c9-ff54"},{"reference_url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54","reference_id":"GHSA-qh6h-p6c9-ff54","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"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:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-31T15:17:33Z/"}],"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-qh6h-p6c9-ff54"},{"reference_url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core==1.2.22","reference_id":"langchain-core==1.2.22","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-31T15:17:33Z/"}],"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core==1.2.22"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:24766","reference_id":"RHSA-2026:24766","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:24766"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/375296?format=json","purl":"pkg:pypi/langchain-core@1.2.22","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-ny86-fcz9-2bbb"},{"vulnerability":"VCID-sjb2-w7tj-fqh2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@1.2.22"}],"aliases":["CVE-2026-34070","GHSA-qh6h-p6c9-ff54"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-ngf2-kxcw-57e3"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/84360?format=json","vulnerability_id":"VCID-ny86-fcz9-2bbb","summary":"LangChain is a framework for building agents and LLM-powered applications. Prior to 0.3.84 and 1.2.28, LangChain's f-string prompt-template validation was incomplete in two respects. First, some prompt template classes accepted f-string templates and formatted them without enforcing the same attribute-access validation as PromptTemplate. In particular, DictPromptTemplate and ImagePromptTemplate could accept templates containing attribute access or indexing expressions and subsequently evaluate those expressions during formatting. Second, f-string validation based on parsed top-level field names did not reject nested replacement fields inside format specifiers. In this pattern, the nested replacement field appears in the format specifier rather than in the top-level field name. As a result, earlier validation based on parsed field names did not reject the template even though Python formatting would still attempt to resolve the nested expression at runtime. This vulnerability is fixed in 0.3.84 and 1.2.28.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40087.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40087.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40087","reference_id":"","reference_type":"","scores":[{"value":"0.00055","scoring_system":"epss","scoring_elements":"0.17501","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-40087"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40087","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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-2026-40087"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2457024","reference_id":"2457024","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2457024"},{"reference_url":"https://github.com/langchain-ai/langchain/pull/36612","reference_id":"36612","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/pull/36612"},{"reference_url":"https://github.com/langchain-ai/langchain/pull/36613","reference_id":"36613","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/pull/36613"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/6bab0ba3c12328008ddca3e0d54ff5a6151cd27b","reference_id":"6bab0ba3c12328008ddca3e0d54ff5a6151cd27b","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/6bab0ba3c12328008ddca3e0d54ff5a6151cd27b"},{"reference_url":"https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258","reference_id":"af2ed47c6f008cdd551f3c0d87db3774c8dfe258","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/commit/af2ed47c6f008cdd551f3c0d87db3774c8dfe258"},{"reference_url":"https://github.com/advisories/GHSA-926x-3r5x-gfhw","reference_id":"GHSA-926x-3r5x-gfhw","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-926x-3r5x-gfhw"},{"reference_url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-926x-3r5x-gfhw","reference_id":"GHSA-926x-3r5x-gfhw","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-926x-3r5x-gfhw"},{"reference_url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D0.3.84","reference_id":"langchain-core%3D%3D0.3.84","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/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:Y/T:P/P:M/B:A/M:M/D:T/2026-04-14T14:47:52Z/"}],"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D0.3.84"},{"reference_url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.28","referen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is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps() and dumpd() functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data contains this key structure, it is treated as a legitimate LangChain object during deserialization rather than plain user data. This issue has been patched in versions 0.3.81 and 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is a framework for building agents and LLM-powered applications. Prior to 0.3.85 and 1.3.3, LangChain contains older runtime code paths that deserialize run inputs, run outputs, or other application-controlled payloads using overly broad object allowlists. These paths may call load() with allowed_objects=\"all\". This does not enable arbitrary Python object deserialization, but it does allow any trusted LangChain-serializable object to be revived, which is broader than these runtime paths require. As a result, attacker-supplied LangChain serialized constructor dictionaries may cause trusted runtime paths to instantiate classes with untrusted constructor arguments. This vulnerability is fixed in 0.3.85 and 1.3.3.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-44843","reference_id":"","reference_type":"","scores":[{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.14227","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-44843"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44843","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44843"},{"reference_url":"https://github.com/advisories/GHSA-pjwx-r37v-7724","reference_id":"GHSA-pjwx-r37v-7724","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-pjwx-r37v-7724"},{"reference_url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-pjwx-r37v-7724","reference_id":"GHSA-pjwx-r37v-7724","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"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:Y/T:P/P:M/B:A/M:M/D:T/2026-05-27T14:06:50Z/"}],"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-pjwx-r37v-7724"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/376084?format=json","purl":"pkg:pypi/langchain-core@0.3.85","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@0.3.85"},{"url":"http://public2.vulnerablecode.io/api/packages/376083?format=json","purl":"pkg:pypi/langchain-core@1.3.3","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@1.3.3"}],"aliases":["CVE-2026-44843","GHSA-pjwx-r37v-7724"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-sjb2-w7tj-fqh2"}],"fixing_vulnerabilities":[],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langchain-core@0.1.40"}