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CVE-2026-90990 Livestatus injection via monitoring filter values

🗓️ 22 Sep 2026 10:43:28Reported by CheckmkType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-90990
22 Sep 202611:55
circl
cve
CVE
CVE-2026-90990
22 Sep 202610:43
cve
euvd
EUVD
EUVD-2026-84350
22 Sep 202610:43
euvd
nvd
NVD
CVE-2026-90990
22 Sep 202611:17
nvd
vulnrichment
Vulnrichment
CVE-2026-90990 Livestatus injection via monitoring filter values
22 Sep 202610:43
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.5.0p14",
        "status": "affected",
        "version": "2.5.0",
        "versionType": "semver"
      }
    ]
  }
]

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22 Sep 2026 10:43Current
CVSS 45.3
SSVC
6