High 8.6Published Feb 6, 2026

CVE-2026-25580Pydantic AI is a Python agent framework for building applications and workflows with Generative AI.

Updated under an hour ago (2026-10-19 09:00 UTC)

Does this affect you?

It affects pydantic_ai. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for pydantic_ai

Exploited in the last 30 days

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: 8.6 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jul 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

pydantic pydantic_ai pydantic:pydantic_ai	from 0.0.26 before 1.56.0	NVD

References

https://github.com/pydantic/pydantic-ai/commit/d398bc9d39aecca6530fa7486a410d5cce936301patch
https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-2jrp-274c-jhv3exploit, mitigation, vendor-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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.