CVE-2026-45301

8.1 HIGH

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline

Published: 2026-05-15 · Last updated: 2026-05-18

Severity and scoring

CVSS: 8.1 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE: CWE-284

Affected products

Vendor	Product
openwebui	open_webui

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.3.16, a missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. This vulnerability is fixed in 0.3.16.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-45301
[Vendor advisory]https://github.com/open-webui/open-webui/security/advisories/GHSA-r8wh-8m7r-fh33
[Vendor advisory]https://github.com/open-webui/open-webui/security/advisories/GHSA-r8wh-8m7r-fh33

Related CVEs

Same vendor

CVE-2026-45667 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)
CVE-2026-45666 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)
CVE-2026-45665 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (8.1 HIGH)
CVE-2026-45365 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (5.4 MEDIUM)
CVE-2026-45351 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)

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