{"action":"Upgrade langchain-anthropic to 1.4.6 or later.","affected":[{"fixed":"1.4.6","introduced":"0"}],"component":"langchain-anthropic","cve_ids":["CVE-2026-55443"],"ecosystem":"PyPI","epss":0.0021,"exploited":false,"fixed_versions":["1.4.6"],"ghsa_id":"GHSA-gr75-jv2w-4656","id":"tcs_01M5KH05YKH8JDW7DRMM9YK77R","modified_at":"2026-07-13T16:43:09.845932020Z","published_at":"2026-07-13T15:46:17.779960Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2556","https://github.com/langchain-ai/langchain/security/advisories/GHSA-gr75-jv2w-4656","https://nvd.nist.gov/vuln/detail/CVE-2026-55443","https://github.com/langchain-ai/langchain/commit/dcaf7795a3e6590af55c3ff7bda6add6355e9ea6","https://github.com/langchain-ai/langchain","https://pypi.org/project/langchain-anthropic","https://github.com/advisories/GHSA-gr75-jv2w-4656"],"severity":{"label":"medium","score":5.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-2556","url":"https://osv.dev/vulnerability/PYSEC-2026-2556"}],"summary":"LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders"}