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Vulnerability record · CVE-2026-12772 · published 21 June 2026

CVE-2026-12772: Litellm insufficient session expiration vulnerability

Litellm · Litellm

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticate_user of the file litellm/proxy/auth/login_utils.py of the component PROXY_ADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

2.1 CVSS 4.0 Low EPSS 0.40% · top 67.9% CWE-613 · Insufficient session expiration
2.1CVSS 4.0 base score, v2 6.5
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
24 Jun 2026Last modified by NVD

Description

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticate_user of the file litellm/proxy/auth/login_utils.py of the component PROXY_ADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

CVSS:4.0/AV:N/AC:L/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/YLChen-007/39ed709ce322431658a05b951e91f278 ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2026-12772 Third Party AdvisoryVDB Entry
https://vuldb.com/submit/811281 Third Party AdvisoryExploitVDB Entry
https://vuldb.com/vuln/372514 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/372514/cti Permissions RequiredVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-12772), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.