{"action":"Upgrade langchain-core to 1.2.11 or later.","affected":[{"fixed":"1.2.11","introduced":"0"}],"component":"langchain-core","cve_ids":["CVE-2026-26013"],"ecosystem":"PyPI","epss":0.00424,"exploited":false,"fixed_versions":["1.2.11"],"ghsa_id":"GHSA-2g6r-c272-w58r","id":"tcs_01M5KH078496374MTBRJA7WDJW","modified_at":"2026-07-13T16:31:48.686407787Z","published_at":"2026-07-13T14:36:35.874621Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2562","https://github.com/langchain-ai/langchain/security/advisories/GHSA-2g6r-c272-w58r","https://nvd.nist.gov/vuln/detail/CVE-2026-26013","https://github.com/langchain-ai/langchain/commit/2b4b1dc29a833d4053deba4c2b77a3848c834565","https://github.com/langchain-ai/langchain","https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.11","https://pypi.org/project/langchain-core","https://github.com/advisories/GHSA-2g6r-c272-w58r"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"PYSEC-2026-2562","url":"https://osv.dev/vulnerability/PYSEC-2026-2562"}],"summary":"LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages"}