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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
Metrics
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[{"vendor":"Red Hat","product":"Exploit Intelligence","defaultStatus":"affected","cpes":["cpe:/a:redhat:exploit_intelligence:0"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:ansible_automation_platform:2"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:openshift_ai"]}]
[{"vendor":"Red Hat","product":"Exploit Intelligence","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"exploit-intelligence-tech-preview/vulnerability-analysis-rhel9","cpes":["cpe:/a:redhat:exploit_intelligence:0"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"ansible-automation-platform-26/lightspeed-chatbot-rhel9","cpes":["cpe:/a:redhat:ansible_automation_platform:2"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"ansible-automation-platform-27/lightspeed-chatbot-rhel9","cpes":["cpe:/a:redhat:ansible_automation_platform:2"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rhoai/odh-llama-stack-core-rhel9","cpes":["cpe:/a:redhat:openshift_ai"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rhoai/odh-mlflow-rhel9","cpes":["cpe:/a:redhat:openshift_ai"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rhoai/odh-trustyai-garak-lls-provider-dsp-rhel9","cpes":["cpe:/a:redhat:openshift_ai"]}]
[{"vendor":"Red Hat","product":"Exploit Intelligence","defaultStatus":"affected","cpes":["cpe:/a:redhat:exploit_intelligence:0"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:ansible_automation_platform:2"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:openshift_ai"]}]
Initial Analysis by NIST6/24/2026 4:27:15 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CPE Configuration
OR
*cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:* versions up to (excluding) 1.59.9
Added
Reference Type
CISA-ADP: https://vuldb.com/submit/811282 Types: Exploit, Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://gist.github.com/YLChen-007/3cfaad10a69d7a15e4d4d458cb53309e Types: Exploit, Third Party Advisory
Added
Reference Type
VulDB: https://vuldb.com/cve/CVE-2026-12773 Types: Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/submit/811282 Types: Exploit, Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/vuln/372515 Types: Third Party Advisory, VDB Entry
A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
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