Detections
Analytics

SCA: security update for github.com/mattermost/mattermost, github.com/mattermost/mattermost-plugin-github, github.com/mattermost/mattermost/server/v8 (GHSA-jf5h-xfw4-p8gp)

low Tenable Self-Hosted Container Security Plugin ID 436423

Description

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

 - Mattermost versions 10.11.x <= 10.11.6 and Mattermost GitHub plugin versions <=2.4.0 fail to validate
 plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to
 make users add reactions to arbitrary GitHub objects via crafted notification posts. (CVE-2025-13352)

See Also

https://github.com/advisories/GHSA-jf5h-xfw4-p8gp

Plugin Details

Severity: Low

ID: 436423

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 12/18/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2025-13352

CVSS v3

Risk Factor: Low

Base Score: 3

Temporal Score: 2.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2025

Vulnerability Publication Date: 12/11/2025

Reference Information

CVE: CVE-2025-13352