CVE-2026-25580
Pydantic AI Affected by Server-Side Request Forgery (SSRF) in URL Download Handling
- State
- Published
- Severity
- 8.6 High
- Published
- Feb 6, 2026
- Updated
- Jul 15, 2026
- Reserved
- Feb 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | GitHub_M |
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | redhat-SADP |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
pydantic-aipydantic |
|
References
- https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-2jrp-274c-jhv3
- https://github.com/pydantic/pydantic-ai/commit/d398bc9d39aecca6530fa7486a410d5cce936301
- https://access.redhat.com/security/cve/CVE-2026-25580vdb-entry
- RHBZ#2437781issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25580.json
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