Pydantic AI v1.107.7 (2026-09-29)

Pydantic AI releases published Pydantic AI v1.107.7 (2026-09-29). This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 🛡️ Security A maintenance release for the v1 line, carrying the v1 backport of the security fix released in 2.52.0 . See the advisory for full details and affected versions. - GHSA-v36g-jcw9-x7cw (https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-v36g-jcw9-x7cw) (moderate): converting attacker-controlled HTML with deeply nested elements in the local web fetch tool could consume excessive CPU and memory. Provider-native web fetching is not affected. Reported by @SounLabs. ( 8985) Patched in 1.107.7 ; also patched on the v2 line in 2.52.0 . What's Changed 🐛 Bug Fixes Cap genai-prices below 0.1 to keep token usage extraction and limits working by @pydanty (https://github.com/apps/pydanty) in https://github.com/pydantic/pydantic-ai/pull/8842 Full Changelog : https://github.com/pydantic/pydantic-ai/compare/v1.107.6...v1.107.7

• Review the official Pydantic AI releases release notes before upgrading.
• Check compatibility, migration, and security notes against your current agent stack.
• Run focused regression tests before production rollout.