What is CVE-2026-101138?

CVE-2026-101138 is a medium-severity vulnerability in Cmp – Coming Soon & Maintenance, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-10-21.

How severe is CVE-2026-101138?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cmp – Coming Soon & Maintenance

CVE-2026-101138

The CMP – Coming Soon & Maintenance WordPress plugin before 4.1.21 does not correctly apply maintenance mode to pages added to its page whitelist by manually entered URL pattern, allowing unauthenticated visitors to view the content of those pages while maintenance mode is active.

Published 2026-10-21 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Cmp – Coming Soon & Maintenance

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

wpscan.com/vulnerability/ae9f4fa9-e17d-4c52-86c8-48e5ba0dfef8/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-101138?: CVE-2026-101138 is a medium-severity vulnerability in Cmp – Coming Soon & Maintenance, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-10-21.
How severe is CVE-2026-101138?: Medium severity. CVSS v3 base score is 5.3 out of 10.