SCA: security update for open-webui (GHSA-ffpj-xv5c-p3gw)

medium Tenable Self-Hosted Container Security Plugin ID 445260

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 0.9.2 before
0.10.0, the SKILL_MENTION_RE and strip_re regular expressions in backend/open_webui/utils/middleware.py
parsed <$skillId|label> skill mentions with overlapping quantifiers, allowing an authenticated chat
message containing <$ without a closing > to trigger quadratic backtracking and block the asyncio event
loop. This issue is fixed in version 0.10.0. (CVE-2026-59220)

Solution

Update the open-webui library and its related packages to version 0.10.0 or later.

See Also

https://github.com/advisories/GHSA-ffpj-xv5c-p3gw

Plugin Details

Severity: Medium

ID: 445260

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 7/24/2026

Updated: 7/24/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.77

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-59220

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/24/2026

Vulnerability Publication Date: 7/9/2026

Reference Information

CVE: CVE-2026-59220