CVEvulnerability

CVE-2026-87998

7.1 HIGH Published 2026-09-09 Modified 2026-09-16 Official page ↗
Status
Analyzed
Published
2026-09-09
Last modified
2026-09-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Weaknesses
CWE-269, CWE-863

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/knowledge/{id}/delete in backend/open_webui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection without a separate administrator check or a check for other dependent knowledge bases. A non-administrator with write access to one external knowledge base could delete shared instance configuration and make every other knowledge base using that connection unavailable. This issue is fixed in version 0.11.1.

Affected configurations

• openwebui open webui (>= 0.10.0 < 0.11.1)

Related

Weakness · CWE (2)

  • CWE-269 Improper Privilege Management weakness
  • CWE-863 Incorrect Authorization weakness

References