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CVE-2026-15937

🗓️ 04 Sep 2026 08:24:49Reported by CheckmkType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Certificate confusion in Checkmk <2.5.0p10 allows relay/agent mTLS cross-authentication.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-15937 Agent receiver certificate confusion allows authentication with a certificate issued for another endpoint
4 Sep 202608:24
cvelist
euvd
EUVD
EUVD-2026-70973
4 Sep 202608:24
euvd
nvd
NVD
CVE-2026-15937
4 Sep 202609:17
nvd
ptsecurity
Positive Technologies
PT-2026-85434
4 Sep 202600:00
ptsecurity
CNA
Node
checkmkcheckmkRange2.5.02.5.0p10
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.5.0p10",
        "status": "affected",
        "version": "2.5.0",
        "versionType": "semver"
      }
    ]
  }
]

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04 Sep 2026 09:17Current
5.2Medium risk
Vulners AI Score5.2
CVSS 45.3
5