Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-wgvp-jj4w-88hf)

medium Tenable Self-Hosted Container Security Plugin ID 437307

Description

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

 - Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <=
 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing
 authenticated users who are playbook members but not channel members to access sensitive information about
 linked private channels including channel name, display name, and participant count through the run
 metadata API endpoint. (CVE-2025-47871)

See Also

https://github.com/advisories/GHSA-wgvp-jj4w-88hf

Plugin Details

Severity: Medium

ID: 437307

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 1/28/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.1

Percentile: 53.34

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2025-47871

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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: 6/30/2025

Vulnerability Publication Date: 6/5/2025

Reference Information

CVE: CVE-2025-47871

cwe: CWE-863