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CVE-2026-2859 Unauthenticated Host Enumeration via Observable Response Discrepancy on Deploy Agent Endpoint

🗓️ 13 Mar 2026 09:40:43Reported by CheckmkType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Unauthenticated host enumeration via deploy_agent in Checkmk older versions before patches.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-2859
13 Mar 202609:40
attackerkb
CNNVD
Checkmk 安全漏洞
13 Mar 202600:00
cnnvd
CVE
CVE-2026-2859
13 Mar 202609:40
cve
EUVD
EUVD-2026-11784
13 Mar 202621:31
euvd
NVD
CVE-2026-2859
13 Mar 202619:54
nvd
OSV
UBUNTU-CVE-2026-2859
13 Mar 202619:54
osv
Positive Technologies
PT-2026-25169
13 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-2859
26 Mar 202615:08
redhatcve
UbuntuCve
CVE-2026-2859
13 Mar 202619:54
ubuntucve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-2859
18 Mar 202600:00
nessus
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.4.0p23",
        "status": "affected",
        "version": "2.4.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "lessThan": "2.3.0p43",
        "version": "2.3.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.2.0",
        "versionType": "semver"
      }
    ]
  }
]

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