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CVE-2026-25580

nvd nist
Published: Feb 6, 2026Modified: Feb 20, 2026

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8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploitability: 3.9 / Impact: 4.0
Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Pydantic
1 product
Pydantic Ai
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Pydantic Ai
From 0.0.26 to 1.56.0

Related CWEs

CWE-918
Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

References (2)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
ExploitMitigationVendor Advisory

Timeline

No history available yet.