What is CVE-2026-123091?

CVE-2026-123091 is a high-severity vulnerability in Vigilant, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-11-09.

How severe is CVE-2026-123091?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Vigilant

CVE-2026-123091

The Vigilant WordPress plugin before 2.11.0 does not enforce its two-factor authentication on login forms other than the default WordPress one, allowing an attacker who knows a user's password to skip the second factor and log in as that user.

Vulnerability class: Broken Authentication

Published 2026-11-09 · last modified 2026-11-09.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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

Vigilant

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

wpscan.com/vulnerability/df65184a-9223-42de-8b4d-53ff427a9874/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-123091?: CVE-2026-123091 is a high-severity vulnerability in Vigilant, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-11-09.
How severe is CVE-2026-123091?: High severity. CVSS v3 base score is 7.5 out of 10.