# Pydantic AI v1.107.6 (2026-09-16)

Category: agent-infrastructure
Published: 2026-09-17T03:30:51Z
Source: [Pydantic AI releases](https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.6)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:35.231Z
Tags: pydantic-ai, typed-agents, python

## Human Summary
Pydantic AI releases published Pydantic AI v1.107.6 (2026-09-16). 🛡️ Security A maintenance release for the v1 line, carrying the v1 backports of the four security fixes released in 2.44.0 . See each advisory for full details and affected versions. - GHSA-vmxc-h2x2-jmf3 (https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-vmxc-h2x2-jmf3)…

## Agent Summary
Treat Pydantic AI v1.107.6 (2026-09-16) as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Pydantic AI releases published Pydantic AI v1.107.6 (2026-09-16). This 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 backports of the four security fixes released in 2.44.0 . See each advisory for full details and affected versions. - GHSA-vmxc-h2x2-jmf3 (https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-vmxc-h2x2-jmf3) (moderate): cloud-metadata and private-IP blocklist bypass via an IPv6 zone identifier, on a URL opted into local network access. Reported by @euriconicacio. ( 8402) - GHSA-fpf4-vwcp-v4hp (https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-fpf4-vwcp-v4hp) (moderate): superlinear response processing in web fetch , in both the HTML conversion and the charset decode, blocking the event loop. Reported by @BrianWillows. ( 8399, 8434) - GHSA-22h6-qm39-v87j (https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-22h6-qm39-v87j) (low): web fetch tool domain lists compared as written…

## Recommended actions
- 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.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.