CVE-2023-4107

MEDIUM

Mattermost 7.8.0-7.8.7 - Incorrect Authorization in User Permission Validation

Title source: llm

Description

Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 6.7

EPSS 0.0004

EPSS Percentile 13.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-863

Status published

Products (2)

mattermost/mattermost 7.8.0 - 7.8.8

mattermost/mattermost-server 0 - 7.8.8Go

Published Aug 11, 2023

Tracked Since Feb 18, 2026