CVE-2026-16578

Admin Safety Guard < 1.4.0 - Unauthenticated User Data Disclosure via 2fa/app/users REST Route

The Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection WordPress plugin before 1.4.0 does not perform any capability check on one of its REST API endpoints, allowing unauthenticated attackers to retrieve the full list of registered users including their usernames, email addresses, roles, and two-factor authentication enrollment status.

Affected

Admin Safety Guard — Login Security, Limit Logins, 2FA & Brute Force Protection

CVSS v3.1 CNA

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.50% chance of exploitation in the next 30 days, 41st percentile

Published

2026-08-08

Updated

2026-08-10

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/c02393ee-1ade-433e-bbd0-c09785e5c426/

References

• CVE Record
• NVD entry