What is CVE-2024-10241?

CVE-2024-10241 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.3/10. Published 2024-10-29.

How severe is CVE-2024-10241?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mattermost

CVE-2024-10241

Mattermost versions 9.5.x <= 9.5.9 fail to properly filter the channel data when ElasticSearch is enabled which allows a user to get private channel names by using cmd+K/ctrl+K.

Published 2024-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.0% 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, 9.8.0, 9.5.10
Mattermost Server

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

mattermost.com/security-updates (Vendor Advisory)

Frequently asked questions

What is CVE-2024-10241?: CVE-2024-10241 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.3/10. Published 2024-10-29.
How severe is CVE-2024-10241?: Medium severity. CVSS v3 base score is 4.3 out of 10.