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.
Published: 2026-10-12
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 13 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 06:00:00 +0000

Type Values Removed Values Added
First Time appeared Open-webui
Open-webui open-webui
Vendors & Products Open-webui
Open-webui open-webui

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

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Open-webui Open-webui
Openwebui Open Webui
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T18:07:30.905Z

Reserved: 2026-10-12T14:12:03.637Z

Link: CVE-2026-109285

cve-icon Vulnrichment

Updated: 2026-10-13T18:07:26.523Z

cve-icon NVD

Status : Received

Published: 2026-10-12T17:17:21.463

Modified: 2026-10-13T19:18:15.267

Link: CVE-2026-109285

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T05:45:07Z

Weaknesses