Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-plugin-playbooks, github.com/mattermost/mattermost/server/v8 (GHSA-m79q-8qf5-v622)

medium Tenable Cloud Security Plugin ID 442587

Description

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

 - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to check public/private
 permissions which allows members without these permissions to access public playbooks via /get..
 Mattermost Advisory ID: MMSA-2026-00591 (CVE-2026-6343)

Solution

Update the github.com/mattermost/mattermost-plugin-playbooks library and its related packages to version 1.41.1-0.20260309184833-887d9cacb616 or later.

See Also

https://github.com/advisories/GHSA-m79q-8qf5-v622

Plugin Details

Severity: Medium

ID: 442587

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/2/2026

Updated: 6/2/2026

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: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-6343

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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: 5/18/2026

Vulnerability Publication Date: 5/18/2026

Reference Information

CVE: CVE-2026-6343

cwe: CWE-863