SB2026011953 - Information Exposure Through Timing Discrepancy in FileBrowser
Published: January 19, 2026
Security Bulletin ID
SB2026011953
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information Exposure Through Timing Discrepancy (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the JSONAuth.Auth function contains a logic flaw. A remote attacker can can measure the response time of the /api/login endpoint and enumerate valid usernames.
Remediation
Install update from vendor's website.