Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-jp3f-x449-4q75)

low Tenable Self-Hosted Container Security Plugin ID 442563

Description

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

 - Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during
 the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem
 authorization codes issued to a different client via a crafted token exchange request.. Mattermost
 Advisory ID: MMSA-2026-00570 (CVE-2026-6334)

Solution

Update the github.com/mattermost/mattermost/server/v8 library and its related packages to version 10.11.14 or later.

See Also

https://github.com/advisories/GHSA-jp3f-x449-4q75

Plugin Details

Severity: Low

ID: 442563

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/2/2026

Updated: 6/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.7

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2026-6334

CVSS v3

Risk Factor: Low

Base Score: 3.8

Temporal Score: 3.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/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: 5/18/2026

Vulnerability Publication Date: 5/18/2026

Reference Information

CVE: CVE-2026-6334

cwe: CWE-305