Detections
Analytics

SCA: security update for github.com/mattermost/mattermost-server, github.com/mattermost/mattermost-server/v5, github.com/mattermost/mattermost-server/v6 (GHSA-8jhh-3jf2-pfwr)

medium Tenable Self-Hosted Container Security Plugin ID 412732

Description

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

 - When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated
 and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of
 the users with currently connected Websocket clients. (CVE-2023-1775)

See Also

https://github.com/advisories/GHSA-8jhh-3jf2-pfwr

Plugin Details

Severity: Medium

ID: 412732

Version: Revision 1.6

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: 3

Percentile: 23.51

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-1775

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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: 3/31/2023

Vulnerability Publication Date: 3/31/2023

Reference Information

CVE: CVE-2023-1775

cwe: CWE-668