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CVE-2026-12771

🔶 medium
🔍 Scan for this CVE
Summary

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 Score
5.0
Medium
EPSS Score
0.3
Exploit Probability
Published Date
2026-06-21
First Seen: 2026-06-25
📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 19.1% of all 338,292 vulnerabilities in our database.

#273,700
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jun 22, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Eric-c (VulDB User) (reporter) VulDB CNA Team (coordinator)
SSVC data provided by CISA
Last Modified 2026-06-24
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS Vector 4.0 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
CWE IDs (Weakness Types)

📦 Affected Products 1

🔗 References 5

https://vuldb.com/cve/CVE-2026-12771
Third Party Advisory VDB Entry
https://vuldb.com/submit/811280
Third Party Advisory Exploit VDB Entry
https://vuldb.com/vuln/372513
Third Party Advisory VDB Entry
https://vuldb.com/vuln/372513/cti
Permissions Required VDB Entry

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-59819 🔶 medium 4.9 0.3 LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.83.10-stable, LiteLLM's... 2026-07-08
CVE-2026-59820 🔶 medium 6.5 0.3 LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.83.7-stable, LiteLLM Sk... 2026-07-08
CVE-2026-59821 ⚠️ high 7.2 0.4 LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.82.0-stable, LiteLLM's ... 2026-07-08
CVE-2026-59822 ⚠️ high 8.2 0.2 LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Str... 2026-07-08
CVE-2026-49468 ⛔ critical 9.8 0.6 LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, a Host-header par... 2026-06-22
CVE-2026-12770 🔶 medium 5.4 0.3 A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file ... 2026-06-21
These CVEs affect the same products