SCA: security update for open-webui (GHSA-3xpf-xq7r-v8c5)

medium Tenable Cloud Security Plugin ID 445674

Description

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

- Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until
0.11.0, the terminal file-preview serveUrl iframe branch always granted allow-same-origin together with
allow-scripts for HTML files served from the application origin. Any authenticated user with access to a
configured terminal server could cause script in a previewed file to run in the Open WebUI origin, read
the victim's session token from localStorage, and take over the account, with possible server-side code
execution if the victim was an admin or held workspace.functions. This issue is fixed in 0.11.0.
(CVE-2026-70486)

Solution

Update the open-webui library and its related packages to version 0.11.0 or later.

See Also

https://github.com/advisories/GHSA-3xpf-xq7r-v8c5

Plugin Details

Severity: Medium

ID: 445674

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/5/2026

Updated: 9/21/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.93

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-2026-70486

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: 8/4/2026

Vulnerability Publication Date: 8/4/2026

Reference Information

CVE: CVE-2026-70486