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CVE-2026-15576

🗓️ 21 Aug 2026 11:10:00Reported by CheckmkType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

mTLS client certificate bypass in Checkmk <2.5.0p10 agent receiver via placeholder identity in URL.

Related
Detection
Affected
Refs
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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21 Aug 2026 12:16Current
5.5Medium risk
Vulners AI Score5.5
CVSS 46.9
SSVC
8