AI agent vulnerability · LiteLLM

CVE-2026-12798: BerriAI litellm has SSRF via Unvalidated spec_path URL in MCP OpenAPI Spec Loader

lowCVSS 4.0 2.1 · 3.1 6.3GHSA-c693-x898-5g4h

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function loadopenapispecasync of the file litellm/proxy/experimental/mcpserver/openapitomcpgenerator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument specpath causes server-side request forgery. It is possible to initiate the attack remotely.

Published Jun 21, 2026 · Updated Sep 14, 2026

Affected packages

litellm

Ecosystem: PyPI
Affected: <= 1.82.2
Fixed in: No patched version yet
Check: pip show litellm

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function load_openapi_spec_async of the file litellm/proxy/_experimental/mcp_server/openapi_to_mcp_generator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument spec_path causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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