Severity:
HIGH RISK
(7.1)
Broken Access Control in Open WebUI Chat Completions API
CVE-2026-45349
Modified
Vulnerability Type
Category:
Broken Access Control
CWE:
CWE-639
Impact:
Horizontal Privilege Escalation / Unauthorized Access to Other Users' Conversations
Severity:
HIGH RISK
(7.1)
CVSS Version:
3.1
Catch This CVE While Code Is Being Written
Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
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