SCA: security update for open-webui (GHSA-v8qj-hxv7-mgvv)

medium Tenable Self-Hosted Container Security Plugin ID 443361

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior
to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the
generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose',
attacker-controlled Mermaid content can be rendered unsafely in this flow. A working payload was validated
through the Markdown preview path, resulting in JavaScript execution in the victim’s browser under the
application origin. This vulnerability is fixed in 0.9.6. (CVE-2026-54011)

Solution

Update the open-webui library and its related packages to version 0.9.6 or later.

See Also

https://github.com/advisories/GHSA-v8qj-hxv7-mgvv

Plugin Details

Severity: Medium

ID: 443361

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 6/17/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.5

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2026-54011

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/17/2026

Vulnerability Publication Date: 6/17/2026

Reference Information

CVE: CVE-2026-54011

cwe: CWE-79