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VULNERABILITIES

CVE-2026-109285 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997 CISA-ADP
https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997 [email protected]
https://www.vulncheck.com/advisories/open-webui-0.6.0-before-0.11.4-improper-access-control-via-stale-file-metadata [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109285
NVD Published Date:
Oct 12, 2026
NVD Last Modified:
Oct 15, 2026
Source:
[email protected]
CVE-2026-109285 Details - Not Deferred