CVE-2026-45666

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/{note_id} endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. This vulnerability is fixed in 0.8.11.

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Produits concernés

• open-webui
• Openwebui open webui

Scores CVSS

Faiblesses (CWE)

• CWE-639

Références

• https://github.com/open-webui/open-webui/security/advisories/GHSA-x3qm-p8hr-3c3h ExploitPatchVendor Advisory
• https://github.com/open-webui/open-webui/security/advisories/GHSA-x3qm-p8hr-3c3h ExploitPatchVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories