CVE-2026-12771A vulnerability was identified in BerriAI litellm up to 1.82.2.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-266, CWE-285
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
litellm litellm litellm:litellm | before 1.82.3 | NVD |
References
- https://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248dexploit, third-party-advisory
- https://vuldb.com/cve/CVE-2026-12771third-party-advisory, vdb-entry
- https://vuldb.com/submit/811280third-party-advisory, exploit, vdb-entry
- https://vuldb.com/vuln/372513third-party-advisory, vdb-entry
- https://vuldb.com/vuln/372513/ctipermissions-required, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.