Input validation error in Text Generation Web UI - #VU127419
Published: April 24, 2026
Vulnerability identifier: #VU127419
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation in the API extension when handling a crafted API request to the "/v1/internal/model/load" endpoint. A remote attacker can supply a crafted "args" value that sets "trust_remote_code" to true to execute arbitrary code.
By default, authentication is not required to exploit this vulnerability.
Affected software
Text Generation Web UI
Remediation
Install security update from vendor's website.
Text Generation Web UI - update to 4.0