CVE-2024-1887

MEDIUM

Mattermost < 8.1.9 and 9.3.0-9.3.1 - Improper Access Control in Public Channel Post Fetching

Title source: llm

Description

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0014

EPSS Percentile 34.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (2)

mattermost/mattermost 9.3.0 - 9.3.1Go

mattermost/mattermost_server < 8.1.9

Published Feb 29, 2024

Tracked Since Feb 18, 2026