Chainguard: multiple open-webui packages: security update to 0.12.3-r8

high Tenable Cloud Security Plugin ID 477484

Description

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

- pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an incomplete remediation for
repeated malformed cross-reference entries in GHSA-55h5-xmcq-c37v could still trigger a complete PDF
stream reload during each recovery attempt even when a recovery cache was present, causing crafted cross-
reference streams to produce long runtimes. This issue is fixed in version 6.21.2. (CVE-2026-115585)

Solution

Update the open-webui library and its related packages to version 0.12.3-r8 or later.

Plugin Details

Severity: High

ID: 477484

Version: Revision 1.1

Type: Local

Published: 10/26/2026

Updated: 10/26/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 50.52

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2026-115585

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

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

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/23/2026

Reference Information

CVE: CVE-2026-115585