{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-117611",
        "assignerOrgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
        "state": "PUBLISHED",
        "assignerShortName": "Checkmk",
        "dateReserved": "2026-10-27T13:09:00.724Z",
        "datePublished": "2026-10-29T09:32:57.964Z",
        "dateUpdated": "2026-10-29T09:32:57.964Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Checkmk",
                    "vendor": "Checkmk GmbH",
                    "versions": [
                        {
                            "lessThan": "2.5.0p18",
                            "status": "affected",
                            "version": "2.5.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "2.4.0p39",
                            "status": "affected",
                            "version": "2.4.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "2.3.0p52",
                            "status": "affected",
                            "version": "2.3.0",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "2.2.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Improper certificate validation in Checkmk <2.5.0p18, <2.4.0p39, <2.3.0p52 and 2.2.0 (EOL): the Certificate Authority stores bundled with \"certifi\" and \"webpki-roots\" include a root CA that trusts eMudhra (emSign) intermediate certificates whose private keys are public."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-94",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-94: Adversary in the Middle"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H",
                        "version": "4.0"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-295",
                            "description": "CWE-295: Improper Certificate Validation",
                            "lang": "en",
                            "type": "CWE"
                        },
                        {
                            "cweId": "CWE-1395",
                            "description": "CWE-1395: Dependency on Vulnerable Third-Party Component",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "f7d6281c-4801-44ce-ace2-493291dedb0f",
                "shortName": "Checkmk",
                "dateUpdated": "2026-10-29T09:32:57.964Z"
            },
            "references": [
                {
                    "url": "https://checkmk.com/werk/22623",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://checkmk.com/werk/22169",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://github.com/advisories/GHSA-6q48-6c7w-9gw2",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "title": "Trust of compromised eMudhra root CA in bundled CA stores",
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.5.0",
                                    "versionEndExcluding": "2.5.0p18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.4.0",
                                    "versionEndExcluding": "2.4.0p39"
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                                    "criteria": "cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.3.0",
                                    "versionEndExcluding": "2.3.0p52"
                                },
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                                    "criteria": "cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*"
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