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SCA: security update for github.com/mattermost/mattermost-server (GHSA-g24c-fx4v-xg9w)

medium Tenable Cloud Security Plugin ID 436700

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, when used as an OAuth 2.0
 service provider, Session invalidation was mishandled. (CVE-2017-18905)

See Also

https://github.com/advisories/GHSA-g24c-fx4v-xg9w

Plugin Details

Severity: Medium

ID: 436700

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: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2017-18905

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

Vulnerability Publication Date: 6/19/2020

Reference Information

CVE: CVE-2017-18905

cwe: CWE-613