What is CVE-2024-47145?

CVE-2024-47145 is a low-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-09-26.

How severe is CVE-2024-47145?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Mattermost

CVE-2024-47145

Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.

Published 2024-09-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Mattermost — versions 9.5.0, 9.11.0, 9.5.9
Mattermost Server

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

mattermost.com/security-updates (Vendor Advisory)

Frequently asked questions

What is CVE-2024-47145?: CVE-2024-47145 is a low-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 3.1/10. Published 2024-09-26.
How severe is CVE-2024-47145?: Low severity. CVSS v3 base score is 3.1 out of 10.