CVE-2026-59223

MediumCVSS 4.3/10Last modified Jul 10, 2026

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, WEB_FETCH_FILTER_LIST matching compared configured host entries against URL strings and non-label-boundary suffixes, allowing path-based blocklist bypasses such as !internal.example.com in a URL path and sibling-domain matches that did not reflect the intended hostname policy. This issue is fixed in version 0.10.0.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-693

Affected software

Vendor	Product	Versions
open-webui	open-webui	< 0.10.0

References

https://github.com/open-webui/open-webui/commit/087878ce848a4d828012068b5997dac480f43656Patch
https://github.com/open-webui/open-webui/pull/25949Issue Tracking, Patch
https://github.com/open-webui/open-webui/releases/tag/v0.10.0Product, Release Notes
https://github.com/open-webui/open-webui/security/advisories/GHSA-qg3f-8x3j-ggf2Vendor Advisory

Timeline

Published: Jul 9, 2026
Last modified: Jul 10, 2026
NVD status: Analyzed

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