Detections
Analytics

SCA: security update for open-webui (GHSA-hcwp-82g6-8wxc)

medium Tenable Cloud Security Plugin ID 442185

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 0.9.3, his advisory tracks a regression of the original Excel-preview XSS (CVE-2026-44549). The same
 root cause — XLSX.utils.sheet_to_html() output rendered via {@html excelHtml} without DOMPurify — was
 reintroduced sometime after v0.8.0 and is exploitable again This vulnerability is fixed in 0.9.3.
 (CVE-2026-45318)

Solution

Update the open-webui library and its related packages to version 0.9.3 or later.

See Also

https://github.com/advisories/GHSA-hcwp-82g6-8wxc

Plugin Details

Severity: Medium

ID: 442185

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 5/19/2026

Updated: 6/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.4

Vendor

Vendor Severity: Medium

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-2026-45318

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: 5/14/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-45318

cwe: CWE-79