CVE-2026-109285

5 MEDIUMpublic exploit available

Published 2026-10-12 · Updated 2026-10-15

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses

CWE-863

Public exploit & PoC references

https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997
https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997

All references

https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997
https://www.vulncheck.com/advisories/open-webui-0.6.0-before-0.11.4-improper-access-control-via-stale-file-metadata
https://github.com/open-webui/open-webui/security/advisories/GHSA-9cxp-636w-4997

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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