{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72588","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","state":"PUBLISHED","assignerShortName":"TuranSec","dateReserved":"2026-08-10T10:32:53.854Z","datePublished":"2026-08-10T10:41:39.341Z","dateUpdated":"2026-08-10T13:22:16.638Z"},"containers":{"cna":{"providerMetadata":{"orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","shortName":"TuranSec","dateUpdated":"2026-08-10T10:57:15.318Z"},"title":"bluewave-labs Checkmate - User Enumeration via Differential HTTP Response in Password Recovery","descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p>"}]}],"affected":[{"vendor":"bluewave-labs","product":"Checkmate","versions":[{"version":"0","status":"affected","versionType":"semver","lessThanOrEqual":"2.1.0"}],"defaultStatus":"unknown"}],"references":[{"url":"https://github.com/bluewave-labs/Checkmate","name":"Product","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Kamron Rasuljonov","type":"finder"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-204","description":"CWE-204: Observable Response Discrepancy"}]}],"timeline":[{"time":"2026-08-10T10:32:53.000Z","lang":"en","value":"CVE Reserved"},{"time":"2026-08-10T10:32:53.000Z","lang":"en","value":"Public Disclosure"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-10T10:32:53.000Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-10T13:22:07.396244Z","id":"CVE-2026-72588","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-10T13:22:16.638Z"}}]}}