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CVE-2026-121374

🗓️ 11 Nov 2026 10:45:05Reported by CheckmkType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Argument injection in Checkmk Kubernetes special agent allows arbitrary file write and RCE.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-121374 Arbitrary file write and code execution via excluded node roles in Kubernetes special agent
11 Nov 202610:45
–cvelist
nvd
NVD
CVE-2026-121374
11 Nov 202611:17
–nvd
Vulners
CNA
Node
OR
checkmkcheckmkRange2.5.0–2.5.0p19
checkmkcheckmkRange2.4.0–2.4.0p40
checkmkcheckmkMatch2.3.0
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.5.0p19",
        "status": "affected",
        "version": "2.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.4.0p40",
        "status": "affected",
        "version": "2.4.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.3.0",
        "versionType": "semver"
      }
    ]
  }
]

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11 Nov 2026 11:17Current
6.2Medium risk
Vulners AI Score6.2
CVSS 49.4
4