Incorrect authorization in LiteLLM - CVE-2026-47101
Published: June 25, 2026
Vulnerability identifier: #VU135356
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-47101
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LiteLLM
Affected software:
LiteLLM
LiteLLM
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper authorization in the API key generation logic when processing the allowed_routes field during key creation. A remote user can create an API key with access to unauthorized routes to escalate privileges.
A created key can be granted access to admin-only routes, allowing escalation from internal_user to proxy_admin.
How to mitigate CVE-2026-47101
Install security update from vendor's website.