Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server (GHSA-fcwg-45jh-5qhf)

high Tenable Self-Hosted Container Security Plugin ID 436701

Description

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

 - An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is
 enabled. (CVE-2017-18903)

See Also

https://github.com/advisories/GHSA-fcwg-45jh-5qhf

Plugin Details

Severity: High

ID: 436701

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 1/13/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2017-18903

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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-2017-18903

cwe: CWE-352