Improper Handling of Case Sensitivity in Text Generation Web UI - #VU127426
Published: April 24, 2026
Vulnerability identifier: #VU127426
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-178
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in file path validation logic when handling file or directory paths. A remote attacker can alter the letter case of a blocked file or directory path to disclose sensitive information.
Only case-insensitive file systems, such as those commonly used by Windows and macOS, are affected; Linux is not affected.
Affected software
Text Generation Web UI
Remediation
Install security update from vendor's website.
Text Generation Web UI - update to 4.3