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SCA: security update for github.com/mattermost/mattermost-server (GHSA-c253-8hr4-r8v9)

medium Tenable Self-Hosted Container Security Plugin ID 436704

Description

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

 - An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to
 discover a team invite ID by requesting a JSON document. (CVE-2017-18901)

See Also

https://github.com/advisories/GHSA-c253-8hr4-r8v9

Plugin Details

Severity: Medium

ID: 436704

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:P/I:N/A:N

CVSS Score Source: CVE-2017-18901

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:L/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: 5/24/2022

Vulnerability Publication Date: 6/19/2020

Reference Information

CVE: CVE-2017-18901

cwe: CWE-200