Insufficient Session Expiration in nginx-ui - #VU152969
Published: September 30, 2026
Vulnerability identifier: #VU152969
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to retain access after ordinary logout.
The vulnerability exists due to insufficient session expiration in standalone short-token handling when renewing a valid short token after logout. A remote user can supply an arbitrary non-empty secure-session cookie to mint a fresh short token and retain access after ordinary logout.
Standalone short tokens have a 24-hour expiry unless renewed.
Affected software
nginx-ui
Remediation
Install security update from vendor's website.
nginx-ui - update to 2.7.0