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Description

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 0.0.26 to before 1.56.0, aServer-Side Request Forgery (SSRF) vulnerability exists in Pydantic AI's URL download functionality. When applications accept message history from untrusted sources, attackers can include malicious URLs that cause the server to make HTTP requests to internal network resources, potentially accessing internal services or cloud credentials. This vulnerability only affects applications that accept message history from external users. This vulnerability is fixed in 1.56.0.

PUBLISHED Reserved 2026-02-03 | Published 2026-02-06 | Updated 2026-02-06 | Assigner GitHub_M




HIGH: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

>= 0.0.26, < 1.56.0
affected

References

github.com/...tic-ai/security/advisories/GHSA-2jrp-274c-jhv3

github.com/...ommit/d398bc9d39aecca6530fa7486a410d5cce936301

cve.org (CVE-2026-25580)

nvd.nist.gov (CVE-2026-25580)

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