Detections
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SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-x3hx-ch7p-8xgg)

medium Tenable Self-Hosted Container Security Plugin ID 436086

Description

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

 - Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting
 which allows regular users to access archived channel content and files via the "Open in Channel"
 functionality from followed threads (CVE-2025-41436)

See Also

https://github.com/advisories/GHSA-x3hx-ch7p-8xgg

Plugin Details

Severity: Medium

ID: 436086

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 11/17/2025

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: 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-2025-41436

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: 11/14/2025

Vulnerability Publication Date: 11/14/2025

Reference Information

CVE: CVE-2025-41436

cwe: CWE-863