CVE-2026-12771
MEDIUMCVSS v3.1: 5.0
Source data as of:
At a glance
- Severity
- MEDIUM
- CVSS
- 5.0 v3.1 · NVD
- EPSS
- EPSS not provided by FIRST.org for this CVE
- CISA KEV
- No
- Type
- Improper Authorization · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo user interaction · Source: NVD Vector
- Published
- 2026-06-21 · Modified: 2026-06-21
- References
- Jump to references (5)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
Description
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248d
- Reference https://vuldb.com/cve/CVE-2026-12771
- Reference https://vuldb.com/submit/811280
- Reference https://vuldb.com/vuln/372513
- Reference https://vuldb.com/vuln/372513/cti