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CVE-2026-55241

🗓️ 21 Aug 2026 17:57:10Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 25 Views🌐 WEB

Unauthenticated memory exhaustion DoS in Checkmate before 3.9.1 via oversized multipart uploads.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55241
22 Aug 202608:02
circl
cvelist
Cvelist
CVE-2026-55241 Checkmate: Pre-auth Denial of Service via File Upload on Registration
21 Aug 202617:57
cvelist
euvd
EUVD
EUVD-2026-64037
21 Aug 202617:57
euvd
nvd
NVD
CVE-2026-55241
21 Aug 202618:16
nvd
ptsecurity
Positive Technologies
PT-2026-79420
21 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-55241 Checkmate: Pre-auth Denial of Service via File Upload on Registration
21 Aug 202617:57
vulnrichment
Vulners
Node
[
  {
    "vendor": "bluewave-labs",
    "product": "Checkmate",
    "versions": [
      {
        "version": "< 3.9.1",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
profileImagerequest body/api/v1/auth/registerPublic POST /api/v1/auth/register accepts multipart profileImage uploads before validation, enabling memory exhaustion via oversized concurrent uploads prior to checks.CWE-770CWE-400

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25 Aug 2026 12:16Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00438
SSVC
25