SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-qx3f-6vq3-8j8m)

high Tenable Self-Hosted Container Security Plugin ID 435447

Description

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

- Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <=
10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary
code via malicious plugin upload to prepackaged plugins directory (CVE-2025-9079)

See Also

https://github.com/advisories/GHSA-qx3f-6vq3-8j8m

Plugin Details

Severity: High

ID: 435447

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 9/26/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.58

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2025-9079

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/19/2025

Vulnerability Publication Date: 8/28/2025

Reference Information

CVE: CVE-2025-9079

cwe: CWE-22