SB2026051162 - Information disclosure in Open WebUI
Published: May 11, 2026
Security Bulletin ID
SB2026051162
CSH Severity
Low
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 vulnerability.
1) Information disclosure (CVE-ID: N/A)
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 update from vendor's website.