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    CVE-2026-25580

    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.

    Published:Feb 6, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 6, 2026
    EPSS Score:0.00018
    CVSS Score:8.6

    Affected Products

    Vendor
    Pydantic
    Product
    Pydantic-ai
    Vendor
    Pydantic
    Product
    Pydantic Ai

    Exploits

    https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-2jrp-274c-jhv3

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-65975 (CVSS 6.5) — Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In version…
    CVE-2026-58203 (CVSS 5.3) — pydantic-settings provides settings management using Pydantic. From 2.12.0 until 2.14.2, NestedSecretsSettings…
    CVE-2026-48782 (CVSS 6.8) — Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. In version…
    CVE-2026-25640 (CVSS 7.1) — Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High