CVE-2026-59212 | Open WebUI is an extensible, feature-rich, and user-friendly… | CVSS 5.4 MEDIUM

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user with read-only knowledge file access to upgrade to file write or delete operations. This issue is fixed in version 0.10.0.

Metadata

CVE ID: CVE-2026-59212
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-07-02 21:05 UTC
Published: 2026-07-09 17:04 UTC
Last updated: 2026-07-09 17:21 UTC
Primary CWE: CWE-863
CWE-863: Incorrect Authorization
Vendor / Product: open-webui / open-webui
Sources: cve.org · NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
open-webui	open-webui	—	>= 0.9.6, < 0.10.0

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	CWE-863: Incorrect Authorization

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References (4)

https://github.com/open-webui/open-webui/security/advisories/GHSA-2xwm-4h2q-ggfx https://github.com/open-webui/open-webui/security/advisories/GHSA-2xwm-4h2q-ggfx
https://github.com/open-webui/open-webui/pull/26032 https://github.com/open-webui/open-webui/pull/26032
https://github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdfa204b04d https://github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdfa204b04d
https://github.com/open-webui/open-webui/releases/tag/v0.10.0 https://github.com/open-webui/open-webui/releases/tag/v0.10.0