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SCA: security update for github.com/mattermost/mattermost-plugin-playbooks (GHSA-4pmx-622h-x359)

medium Tenable Self-Hosted Container Security Plugin ID 439100

Description

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

 - Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2 fail to verify run_create permission for empty
 playbookId, which allows team members to create unauthorized runs via the playbook run API. Mattermost
 Advisory ID: MMSA-2025-00542 (CVE-2026-26304)

Solution

Update the github.com/mattermost/mattermost-plugin-playbooks library and its related packages to version 1.41.1-0.20260316224925-705f54a81841 or later.

See Also

https://github.com/advisories/GHSA-4pmx-622h-x359

Plugin Details

Severity: Medium

ID: 439100

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/21/2026

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: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-26304

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: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: 3/16/2026

Vulnerability Publication Date: 3/16/2026

Reference Information

CVE: CVE-2026-26304

cwe: CWE-863