Vulnerability-Lookup

GHSA-6X92-C6PF-4WM2

Vulnerability from github – Published: 2026-04-07 15:30 – Updated: 2026-04-14 18:30

Details

Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the omd administrative command is run by root.

Severity ?

7.3 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

9.3 (Critical)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39666"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-426"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-07T13:16:44Z",
    "severity": "CRITICAL"
  },
  "details": "Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the `omd` administrative command is run by root.",
  "id": "GHSA-6x92-c6pf-4wm2",
  "modified": "2026-04-14T18:30:28Z",
  "published": "2026-04-07T15:30:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39666"
    },
    {
      "type": "WEB",
      "url": "https://checkmk.com/werk/18891"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-39666 (GCVE-0-2025-39666)

Vulnerability from cvelistv5 – Published: 2026-04-07 12:09 – Updated: 2026-04-07 13:18

Title

omd: Local privilege escalation when executing omd commands as root

Summary

Severity ?

9.3 (Critical)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CWE

CWE-426 - Untrusted Search Path
CWE-829 - Inclusion of Functionality from Untrusted Control Sphere

Assigner

Checkmk

References

URL

Tags

https://checkmk.com/werk/18891

vendor-advisory

Impacted products

	Vendor	Product	Version
	Checkmk GmbH	Checkmk	Affected: 2.2.0 (semver) Affected: 2.3.0 , < 2.3.0p46 (semver) Affected: 2.4.0 , < 2.4.0p25 (semver) Affected: 2.5.0b1 , < 2.5.0b3 (semver)

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JSON

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        "metrics": [
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                "id": "CVE-2025-39666",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-07T13:18:12.687066Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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              "version": "2.5.0b1",
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      "impacts": [
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-6X92-C6PF-4WM2

CVE-2025-39666 (GCVE-0-2025-39666)

Tags

Sightings

Nomenclature