{"action":"Upgrade pydantic-ai to 1.107.7 or later.","affected":[{"fixed":"1.107.7","introduced":"1.77.0"},{"fixed":"2.52.0","introduced":"2.0.0b1"}],"component":"pydantic-ai","cve_ids":["CVE-2026-107287"],"ecosystem":"PyPI","epss":0.00277,"exploited":false,"fixed_versions":["1.107.7","2.52.0"],"ghsa_id":"GHSA-v36g-jcw9-x7cw","id":"tcs_01M5KHB2M860FKEC9JXKMZPQ9P","modified_at":"2026-10-15T14:56:19.955322184Z","published_at":"2026-10-15T10:22:51.874192Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4281","https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-v36g-jcw9-x7cw","https://github.com/pydantic/pydantic-ai/pull/8984","https://github.com/pydantic/pydantic-ai/pull/8985","https://github.com/pydantic/pydantic-ai/commit/2b247add4950bef61d352e7ca8aefbd20539180c","https://github.com/pydantic/pydantic-ai/commit/2fd38792693da00a3ca5412aeffb436787af3545","https://github.com/pydantic/pydantic-ai","https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.7","https://github.com/pydantic/pydantic-ai/releases/tag/v2.52.0","https://pypi.org/project/pydantic-ai","https://github.com/advisories/GHSA-v36g-jcw9-x7cw","https://nvd.nist.gov/vuln/detail/CVE-2026-107287"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-4281","url":"https://osv.dev/vulnerability/PYSEC-2026-4281"}],"summary":"Pydantic AI: Excessive resource use when local web fetching converts nested HTML"}