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CVE-2026-25580

Pydantic Ai server-side request forgery (SSRF)

8.6 HIGHPublic exploitEPSS 0.74%
  1. Published6 Feb 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

Pydantic Ai≥ 0.0.26 < 1.56.0

Remediation

Fixed in
Pydantic Ai≥ 1.56.0

References

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Frequently asked

Is CVE-2026-25580 being actively exploited?

CVE-2026-25580 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.74%.

How severe is CVE-2026-25580?

CVE-2026-25580 has a CVSS 3.1 base score of 8.6, rated high. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2026-25580?

Affected products include Pydantic Ai.

How do I fix CVE-2026-25580?

Upgrade affected software to a fixed version, for example Pydantic Ai 1.56.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25580 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.