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SCA: security update for github.com/mattermost/mattermost-server (GHSA-63wg-qmrv-7q66)

medium Tenable Cloud Security Plugin ID 436707

Description

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

 - An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to add
 DEBUG lines to the logs via a REST API version 3 logging endpoint. (CVE-2017-18896)

See Also

https://github.com/advisories/GHSA-63wg-qmrv-7q66

Plugin Details

Severity: Medium

ID: 436707

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 1/13/2026

Updated: 1/13/2026

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-2017-18896

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-2017-18896

cwe: CWE-732