CVE-2026-72588 — bluewave-labs Checkmate - User Enumeration via Differential HTTP Response in Password Recovery
A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The…
Published: 2026-08-10 · CVSS: 5.3 · CVSS 3.1
A user enumeration vulnerability in bluewave-labs/Checkmate through 2.1.0 allows an unauthenticated remote attacker to determine whether a given email address is registered. The POST /api/v1/auth/recovery/request endpoint returns HTTP 200 for registered email addresses and a different status code for unregistered ones, enabling attackers to enumerate valid user accounts.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7