{"action":"Upgrade langchain-core to 0.3.80 or later.","affected":[{"fixed":"0.3.80","introduced":"0"},{"fixed":"1.0.7","introduced":"1.0.0"}],"component":"langchain-core","cve_ids":["CVE-2025-65106"],"ecosystem":"PyPI","epss":0.00524,"exploited":false,"fixed_versions":["0.3.80","1.0.7"],"ghsa_id":"GHSA-6qv9-48xg-fc7f","id":"tcs_01M5KGT2ZDMGVTRX2815JZE3RS","modified_at":"2026-07-07T17:46:47.156056540Z","published_at":"2026-07-07T16:03:10.501462Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1518","https://github.com/langchain-ai/langchain/security/advisories/GHSA-6qv9-48xg-fc7f","https://nvd.nist.gov/vuln/detail/CVE-2025-65106","https://github.com/langchain-ai/langchain/commit/c4b6ba254e1a49ed91f2e268e6484011c540542a","https://github.com/langchain-ai/langchain/commit/fa7789d6c21222b85211755d822ef698d3b34e00","https://github.com/langchain-ai/langchain","https://pypi.org/project/langchain-core","https://github.com/advisories/GHSA-6qv9-48xg-fc7f"],"severity":{"label":"high","score":8.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-1518","url":"https://osv.dev/vulnerability/PYSEC-2026-1518"},{"source":"nvd","source_id":"CVE-2025-65106","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65106"}],"summary":"LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates"}