CVE-2026-72588
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductCheckmate
PublishedAug 10, 2026
First seenAug 10, 2026
Weakness typeCWE-204CWE-204
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bluewave-labs Checkmate | v ≤ 2.1.0 | — |
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