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VULNERABILITIES

CVE-2026-45349 Details

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key (generated in OWUI) and the Chat ID of another user to continue the conversation of the other user. This vulnerability is fixed in 0.9.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/open-webui/open-webui/security/advisories/GHSA-gfm2-xm6c-37qc CISA-ADPExploitMitigationVendor Advisory
https://github.com/open-webui/open-webui/security/advisories/GHSA-gfm2-xm6c-37qc [email protected]ExploitMitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
openwebui open webui
< 0.9.0

CPE

  • cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-45349
NVD Published Date:
May 15, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-45349 Details - Not Deferred