PT-2024-18394 · Mattermost · Mattermost

Published 2024-02-29 · Updated 2025-05-12 · CVE-2024-1887

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Mattermost versions prior to 8.1.9

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.

Recommendations For versions prior to 8.1.9, update to version 8.1.9 or later to resolve the issue. As a temporary workaround, consider restricting access to public channels to minimize the risk of unauthorized post fetching.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2024-1887

GHSA-FX48-XV6Q-6GP3

GO-2024-2591

Affected Products

Mattermost

References · 12

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fx48-xv6q-6gp3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-1887 · Security Note
• https://osv.dev/vulnerability/CVE-2024-1887 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2024-2591 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-1887 · Note
• https://twitter.com/VulmonFeeds/status/1763165514765938746 · Twitter Post
• https://twitter.com/CVEnew/status/1763121312858263965 · Twitter Post
• https://t.me/cvenotify/121738 · Telegram Post
• https://t.me/cvenotify/72666 · Telegram Post
• https://github.com/advisories/GHSA-fx48-xv6q-6gp3 · Note