{"action":"Upgrade pydantic-ai to 2.53.0 or later.","affected":[{"fixed":"2.53.0","introduced":"2.10.0"}],"component":"pydantic-ai","cve_ids":["CVE-2026-107286"],"ecosystem":"PyPI","epss":0.0045,"exploited":false,"fixed_versions":["2.53.0"],"ghsa_id":"GHSA-6fqq-452j-qhrp","id":"tcs_01M5KF37YZ3EHTMD4JMMZN9HP1","modified_at":"2026-10-15T14:55:42.276272043Z","published_at":"2026-10-08T19:42:55Z","references":["https://osv.dev/vulnerability/GHSA-6fqq-452j-qhrp","https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-6fqq-452j-qhrp","https://nvd.nist.gov/vuln/detail/CVE-2026-107286","https://github.com/pydantic/pydantic-ai/pull/9478","https://github.com/pydantic/pydantic-ai/commit/453f19feeb7ab1d789f9393b1723c6a73b3d77b2","https://github.com/pydantic/pydantic-ai","https://github.com/pydantic/pydantic-ai/releases/tag/v2.53.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-6fqq-452j-qhrp","url":"https://osv.dev/vulnerability/GHSA-6fqq-452j-qhrp"}],"summary":"Pydantic AI: Concurrency-limited models can keep their slot when a streamed request ends early"}