{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T10:01:15.165","vulnerabilities":[{"cve":{"id":"CVE-2025-68664","sourceIdentifier":"security-advisories@github.com","published":"2025-12-23T23:15:44.933","lastModified":"2026-01-13T15:58:23.373","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"LangChain 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 1.2.5."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","baseScore":9.3,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":4.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":4.2}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-502"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:langchain:langchain_core:*:*:*:*:*:python:*:*","versionEndExcluding":"0.3.81","matchCriteriaId":"DC184324-6CF1-4F7A-B87F-6DD2120C3B3B"},{"vulnerable":true,"criteria":"cpe:2.3:a:langchain:langchain_core:*:*:*:*:*:python:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"1.2.5","matchCriteriaId":"4298E953-ED96-49EC-8474-86095D560F2B"}]}]}],"references":[{"url":"https://github.com/langchain-ai/langchain/commit/5ec0fa69de31bbe3d76e4cf9cd65a6accb8466c8","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/langchain-ai/langchain/commit/d9ec4c5cc78960abd37da79b0250f5642e6f0ce6","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/langchain-ai/langchain/pull/34455","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/langchain-ai/langchain/pull/34458","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D0.3.81","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.5","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-c67j-w6g6-q2cm","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://github.com/langchain-ai/langchain/security/advisories/GHSA-c67j-w6g6-q2cm","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"]}]}}]}