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Vulnerability record · CVE-2026-25580 · published 6 February 2026

CVE-2026-25580: Pydantic ai server-side request forgery (ssrf) vulnerability

Pydantic · Pydantic Ai

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.

8.6 CVSS 3.1 High EPSS 0.67% · top 49.8% CWE-918 · Server-side request forgery (SSRF)
8.6CVSS 3.1 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
15 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pydantic/pydantic-ai/commit/d398bc9d39aecca6530fa7486a410d5cce936301 Patch
https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-2jrp-274c-jhv3 ExploitMitigationVendor Advisory
https://access.redhat.com/security/cve/CVE-2026-25580
https://bugzilla.redhat.com/show_bug.cgi?id=2437781
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25580.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-25580), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.