CVE-2026-25580
HIGH
GHSA-2jrp-274c-jhv3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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4Tags
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.
Analysis
Pydantic AI versions 0.0.26 through 1.55.x contain a server-side request forgery vulnerability in URL download functionality that allows remote attackers to make arbitrary HTTP requests to internal network resources when applications process untrusted message history. Public exploit code exists for this vulnerability, which could enable attackers to access internal services or cloud credentials. …
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Remediation
Within 24 hours: Identify all systems running Pydantic AI versions 0.0.26 to 1.55.x and assess whether they process untrusted URLs. Within 7 days: Apply the available patch to upgrade to version 1.56.0 or later across all affected systems, prioritizing production environments. …
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