CVE-2026-12771
Last modified
CVE-2026-12771 is a low-severity vulnerability rated 1.3/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Litellm | Litellm | < 1.82.3 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
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