Open sourceOpen-source releaseAgents & Tool Use · Safety & Alignment1 source · Oct 21, 2026

pydantic/pydantic-ai v2.59.0: v2.59.0 (2026-10-20)

> This comment was posted by Codex Desktop using gpt-6.1-sol on behalf of David.

Key points

  • When webfetchtool fetched attacker-controlled HTML containing many elements, conversion could delay unrelated work in the same process.
  • Upgrade if the tool can fetch such pages.

Sources (1)

  • [1]pydantic/pydantic-ai v2.59.0: v2.59.0 (2026-10-20)
    GitHub: pydantic/pydantic-ai · Oct 21, 04:36 AM
    > This comment was posted by Codex Desktop using gpt-6.1-sol on behalf of David.
    When `web_fetch_tool` fetched attacker-controlled HTML containing many elements, conversion could delay unrelated work in the same process.

Extractive summary: sentences quoted from the sources.

Before this

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  4. Oct 20, 2026pydantic/pydantic-ai v2.58.0: v2.58.0 (2026-10-19)
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