{"action":"Upgrade langgraph-checkpoint-postgres to 3.1.3 or later.","affected":[{"fixed":"3.1.3","introduced":"0"}],"component":"langgraph-checkpoint-postgres","cve_ids":["CVE-2026-115883"],"ecosystem":"PyPI","epss":0.00298,"exploited":false,"fixed_versions":["3.1.3"],"ghsa_id":"GHSA-6hmw-9432-67qq","id":"tcs_01M5NDPN4KE09ZJZZ82X6PRVP4","modified_at":"2026-10-23T22:15:03.645110544Z","published_at":"2026-10-23T22:06:44Z","references":["https://osv.dev/vulnerability/GHSA-6hmw-9432-67qq","https://github.com/langchain-ai/langgraph/security/advisories/GHSA-6hmw-9432-67qq","https://github.com/langchain-ai/langgraph/pull/9217","https://github.com/langchain-ai/langgraph/commit/bfcfea554ed5c7f7be562cebf8825e911b493ab1","https://github.com/langchain-ai/langgraph","https://github.com/langchain-ai/langgraph/releases/tag/checkpointpostgres%3D%3D3.1.3","https://github.com/langchain-ai/langgraph/releases/tag/checkpointsqlite%3D%3D3.1.2"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"GHSA-6hmw-9432-67qq","url":"https://osv.dev/vulnerability/GHSA-6hmw-9432-67qq"},{"source":"nvd","source_id":"CVE-2026-115883","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115883"}],"summary":"LangGraph: Namespace labels containing `.` reach other namespaces in Postgres and SQLite stores"}