Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8 (GHSA-q453-638c-h4mr)

medium Tenable Self-Hosted Container Security Plugin ID 435041

Description

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

 - Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <=
 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to
 upload non-attachment file types via shared channels that could potentially be placed in arbitrary
 filesystem directories. (CVE-2025-49222)

See Also

https://github.com/advisories/GHSA-q453-638c-h4mr

Plugin Details

Severity: Medium

ID: 435041

Version: Revision 1.10

Type: Local

Family: SCA Checks

Published: 8/21/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.16

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2025-49222

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/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: 8/21/2025

Vulnerability Publication Date: 8/21/2025

Reference Information

CVE: CVE-2025-49222

cwe: CWE-434