SCA: security update for github.com/mattermost/mattermost-server (GHSA-5ghq-28r7-qwfj)

medium Tenable Cloud Security Plugin ID 437629

Description

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

- An issue was discovered in Mattermost Server before 3.7.3 and 3.6.5. A System Administrator can place a
SAML certificate at an arbitrary pathname. (CVE-2017-18918)

See Also

https://github.com/advisories/GHSA-5ghq-28r7-qwfj

Plugin Details

Severity: Medium

ID: 437629

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 2/7/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2017-18918

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/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: 5/24/2022

Vulnerability Publication Date: 6/19/2020

Reference Information

CVE: CVE-2017-18918

cwe: CWE-22