BerriAI litellm M2M JWT user_api_key_auth.py improper authorization_CVE-2026-12771

2.3 / 10

LOW

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

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.

Basic Information

ID CVE-2026-12771

Source VulDB

Published Jun 21, 2026 at 01:00

Affected Product

Vendor BerriAI

Product litellm

Version 1.82.0

Affected Versions BerriAI litellm 1.82.0
BerriAI litellm 1.82.1
BerriAI litellm 1.82.2

CWE Classification

CWE-285 CWE-266

References

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    "lastseen": "",
    "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.",
    "published": "2026-06-21T01:00:12.198Z",
    "modified": "2026-06-21T01:00:12.198Z",
    "type": "cve",
    "title": "BerriAI litellm M2M JWT user_api_key_auth.py improper authorization",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/372513\nhttps://vuldb.com/vuln/372513/cti\nhttps://vuldb.com/cve/CVE-2026-12771\nhttps://vuldb.com/submit/811280\nhttps://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248d",
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    "sourceData": "BerriAI litellm 1.82.0\nBerriAI litellm 1.82.1\nBerriAI litellm 1.82.2",
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    "cvss": {
        "score": 2.3,
        "severity": "LOW",
        "vector": "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",
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