CVE-2026-12798

BerriAI litellm

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.

CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness

• CWE-918 Server-side request forgery

References

• gist.github.comExploitThird Party Advisory
• vuldb.comThird Party Advisory
• vuldb.comThird Party AdvisoryExploit
• vuldb.comThird Party Advisory
• vuldb.com

CVE-2026-12798 on NVD

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