{"action":"Upgrade pydantic-ai-slim to 1.107.4 or later.","affected":[{"fixed":"1.107.4","introduced":"1.34.0"},{"fixed":"2.28.0","introduced":"2.0.0b1"}],"component":"pydantic-ai-slim","cve_ids":["CVE-2026-107295"],"ecosystem":"PyPI","epss":0.00158,"exploited":false,"fixed_versions":["1.107.4","2.28.0"],"ghsa_id":"GHSA-h4xc-3qfq-jf93","id":"tcs_01M5KFJT8CYEPZZ6X2ZJEC8D50","modified_at":"2026-10-15T14:55:44.151809973Z","published_at":"2026-10-08T17:16:36Z","references":["https://osv.dev/vulnerability/GHSA-h4xc-3qfq-jf93","https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-h4xc-3qfq-jf93","https://github.com/pydantic/pydantic-ai/pull/7382","https://github.com/pydantic/pydantic-ai/pull/7383","https://github.com/pydantic/pydantic-ai/commit/d2690201a1834005d382dbf5c47e0ed94ef8bf46","https://github.com/pydantic/pydantic-ai/commit/dd2abbdfa029c9ad138e7cc0edd2eaeaf9ed69c0","https://github.com/pydantic/pydantic-ai","https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.4","https://github.com/pydantic/pydantic-ai/releases/tag/v2.28.0"],"severity":{"label":"high","score":7.6},"sources":[{"source":"osv","source_id":"GHSA-h4xc-3qfq-jf93#PyPI/pydantic-ai-slim","url":"https://osv.dev/vulnerability/GHSA-h4xc-3qfq-jf93"}],"summary":"Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): a website visited by the developer can trigger agent runs and server-side tool execution on the local chat endpoint"}