Open WebUI from 0.6.0 before 0.11.4 contains an improper access control vulnerability in has_access_to_file that lets former knowledge base collaborators keep file access via stale cached knowledge base references. Attackers with read or write grants can download removed files through the file content endpoint or delete them, including from the owner's private knowledge bases.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 12 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Open WebUI from 0.6.0 before 0.11.4 contains an improper access control vulnerability in has_access_to_file that lets former knowledge base collaborators keep file access via stale cached knowledge base references. Attackers with read or write grants can download removed files through the file content endpoint or delete them, including from the owner's private knowledge bases. | |
| Title | Open WebUI 0.6.0 before 0.11.4 Improper Access Control via Stale File Metadata | |
| First Time appeared |
Openwebui
Openwebui open Webui |
|
| Weaknesses | CWE-863 | |
| CPEs | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openwebui
Openwebui open Webui |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-12T16:04:47.776Z
Reserved: 2026-10-12T14:12:03.637Z
Link: CVE-2026-109285
No data.
Status : Received
Published: 2026-10-12T17:17:21.463
Modified: 2026-10-12T17:17:21.463
Link: CVE-2026-109285
No data.
OpenCVE Enrichment
No data.
Weaknesses