CVE-2026-12771

LOW EPSS 20.5%
Published Jun 21, 20261w ago · Modified Jun 22, 20261w ago
1.3 CVSS 4.0
Low
Find Similar
Published Jun 21, 2026 1w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
1.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
20.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-266
CWE-285

References 5

  • gist.github.com https://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248d
  • vuldb.com https://vuldb.com/cve/CVE-2026-12771
  • vuldb.com https://vuldb.com/submit/811280
  • vuldb.com https://vuldb.com/vuln/372513
  • vuldb.com https://vuldb.com/vuln/372513/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.