SCA: security update for github.com/mattermost/mattermost-server/v6, github.com/mattermost/mattermost/server/v8 (GHSA-w88v-pjr8-cmv2)

medium Tenable Self-Hosted Container Security Plugin ID 419807

Description

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

- Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing
a member of one team to get details about the archived public channels of another team via the GET
/api/v4/teams/<team-id>/channels/deleted endpoint. (CVE-2023-47858)

See Also

https://github.com/advisories/GHSA-w88v-pjr8-cmv2

Plugin Details

Severity: Medium

ID: 419807

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 1/23/2025

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: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2023-47858

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/2/2024

Vulnerability Publication Date: 1/2/2024

Reference Information

CVE: CVE-2023-47858

cwe: CWE-284