SCA: security update for github.com/mattermost/mattermost-server (GHSA-9pj7-jh2r-87g8)

medium Tenable Cloud Security Plugin ID 437729

Description

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

- Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to validate user
permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with
access to the Jira plugin to read post content and attachments from channels they do not have access to
via the /create-issue API endpoint by providing the post ID of an inaccessible post.. Mattermost Advisory
ID: MMSA-2025-00550 (CVE-2026-22892)

See Also

https://github.com/advisories/GHSA-9pj7-jh2r-87g8

Plugin Details

Severity: Medium

ID: 437729

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 2/14/2026

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:P/I:N/A:N

CVSS Score Source: CVE-2026-22892

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: 2/13/2026

Vulnerability Publication Date: 2/13/2026

Reference Information

CVE: CVE-2026-22892

cwe: CWE-863