Detections
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SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-fmqf-pmcm-8cx9)

medium Tenable Cloud Security Plugin ID 436502

Description

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

 - Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fails to
 validate user channel membership when attaching Mattermost posts as comments to Jira issues, 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. (CVE-2025-13767)

See Also

https://github.com/advisories/GHSA-fmqf-pmcm-8cx9

Plugin Details

Severity: Medium

ID: 436502

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 12/27/2025

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: 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-2025-13767

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: 12/24/2025

Vulnerability Publication Date: 12/11/2025

Reference Information

CVE: CVE-2025-13767

cwe: CWE-863