What is CVE-2026-107427?

CVE-2026-107427 is a medium-severity vulnerability in Nous Ouvert Utile Et Simple Event Post, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-12.

How severe is CVE-2026-107427?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Nous Ouvert Utile Et Simple Event Post

CVE-2026-107427

Authorization Bypass Through User-Controlled Key vulnerability in NOUS Ouvert Utile et Simple Event post event-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Event post: from n/a through 6.1.1.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-12 · last modified 2026-10-12.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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

Nous Ouvert Utile Et Simple Event Post

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

patchstack.com/database/wordpress/plugin/event-post/vulnerability/wordpress-eve… (vdb-entry)

Frequently asked questions

What is CVE-2026-107427?: CVE-2026-107427 is a medium-severity vulnerability in Nous Ouvert Utile Et Simple Event Post, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-12.
How severe is CVE-2026-107427?: Medium severity. CVSS v3 base score is 6.5 out of 10.