{"action":"Upgrade langchain-classic to 1.0.7 or later.","affected":[{"fixed":"1.0.7","introduced":"0"}],"component":"langchain-classic","cve_ids":["CVE-2026-45134"],"ecosystem":"PyPI","epss":0.00199,"exploited":false,"fixed_versions":["1.0.7"],"ghsa_id":"GHSA-3644-q5cj-c5c7","id":"tcs_01M5KH06YY91135M9J5AA8PW3G","modified_at":"2026-07-13T16:43:39.736848907Z","published_at":"2026-07-13T15:15:46.748681Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2560","https://github.com/langchain-ai/langsmith-sdk/security/advisories/GHSA-3644-q5cj-c5c7","https://nvd.nist.gov/vuln/detail/CVE-2026-45134","https://github.com/langchain-ai/langsmith-sdk","https://pypi.org/project/langchain-classic","https://github.com/advisories/GHSA-3644-q5cj-c5c7"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-2560","url":"https://osv.dev/vulnerability/PYSEC-2026-2560"}],"summary":"LangSmith SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning"}