Information disclosure in Open WebUI - #VU130944
Published: May 11, 2026
Vulnerability identifier: #VU130944
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Open WebUI
Open WebUI
Software vendor:
Open WebUI
Open WebUI
Description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to exposure of sensitive information in the /api/models endpoint when handling authenticated requests for model listings. A remote user can send a request to the endpoint to disclose sensitive information.
The response reveals system prompts configured by an administrator for available models.
Remediation
Install security update from vendor's website.