CVE-2026-88005

6.5 Moyenne

Publiée le 10/09/2026 à 17:17 · Modifiée le 18/09/2026 à 16:44 · Analysée par le NVD · Source : security-advisories@github.com

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.9.0, Open WebUI's OAuth token exchange endpoint issues a session for a provider access token without applying the email domain allowlist that the normal OAuth login callback enforces. An account whose email domain the login callback would refuse could still obtain a working session through this endpoint. This issue is fixed in version 0.9.0.

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Produits concernés

open-webui
Openwebui open webui

Scores CVSS

Version	Score	Source	Vecteur
3.1	6.5 Moyenne	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`

Faiblesses (CWE)

CWE-863

Références

https://github.com/open-webui/open-webui/commit/fb5ef978bfb451c3f2221931e08e54250cec58ca Patch
https://github.com/open-webui/open-webui/pull/23639 Patch
https://github.com/open-webui/open-webui/security/advisories/GHSA-4qg5-cxx4-g927 PatchVendor Advisory

Ailleurs

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