Detections
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SCA: security update for github.com/mattermost/mattermost, github.com/mattermost/mattermost/server/v8 (GHSA-58w6-w55x-6wq8)

medium Tenable Cloud Security Plugin ID 436206

Description

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

 - Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when
 accessing the files and subscribing to the block in Boards, which allows an authenticated user to access
 other board files and was able to subscribe to the block from other boards that the user does not have
 access to (CVE-2025-13870)

See Also

https://github.com/advisories/GHSA-58w6-w55x-6wq8

Plugin Details

Severity: Medium

ID: 436206

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 12/3/2025

Updated: 6/1/2026

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: Low

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-2025-13870

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: 12/2/2025

Vulnerability Publication Date: 12/2/2025

Reference Information

CVE: CVE-2025-13870