CVE-2026-87015
CVE-2026-87015 · Open WebUI: A user's session cookies are sent to tool servers configured for bearer authentication
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 until 0.11.1, backend/open_webui/utils/tools.py captured a cookie jar from the enclosing connection loop instead of binding it to each external tool callable. When multiple tool servers were attached and a session or system OAuth connection was processed last, a request to a different server configured for bearer authentication could include the calling user's Open WebUI session cookies, allowing that server's operator to reuse the session and take over the account. This issue is fixed in version 0.11.1.
CVSS 6.8 · Moyenne · EPSS 0,5% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: python
Produits et versions concernés
open-webui
- Versions du logiciel
- >= 0.6.27, < 0.11.1: Concernée
Aucun correctif publié
open-webui PyPI
- Versions du logiciel
- 0.10.0
- 0.10.1
- 0.10.2
- 0.11.0
- 0.6.27
- 0.6.28
- 0.6.29
- 0.6.30
- 0.6.31
- 0.6.32
- 0.6.33
- 0.6.34
- 0.6.35
- 0.6.36
- 0.6.37
- 0.6.38
- 0.6.39
- 0.6.40
- 0.6.41
- 0.6.42
- 0.6.43
- 0.7.0
- 0.7.1
- 0.7.2
- 0.8.0
- 0.8.1
- 0.8.10
- 0.8.11
- 0.8.12
- 0.8.2
- 0.8.3
- 0.8.4
- 0.8.5
- 0.8.6
- 0.8.7
- 0.8.8
- 0.8.9
- 0.9.0
- 0.9.1
- 0.9.2
- 0.9.3
- 0.9.4
- 0.9.5
- 0.9.6
- Plages de versions concernées
- ECOSYSTEM: ≥ 0.6.27, < 0.11.1
Mettez à jour vers 0.11.1
Sources originales
- https://github.com/open-webui/open-webui/security/advisories/GHSA-p78m-89r6-pgf7
- https://github.com/open-webui/open-webui/pull/28630
- https://github.com/open-webui/open-webui/commit/cd9db21c5276807a2975ddba17cef369ad1114b7
- https://github.com/open-webui/open-webui/releases/tag/v0.11.1
- https://nvd.nist.gov/vuln/detail/CVE-2026-87015