{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4342", "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565", "state": "PUBLISHED", "assignerShortName": "kubernetes", "dateReserved": "2026-03-17T15:35:59.315Z", "datePublished": "2026-03-19T21:50:17.878Z", "dateUpdated": "2026-03-19T22:10:03.911Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "ingress-nginx", "repo": "https://github.com/kubernetes/ingress-nginx", "vendor": "Kubernetes", "versions": [{"lessThan": "1.13.9", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.14.5", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "1.15.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-03-19T14:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)"}], "value": "A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)"}], "impacts": [{"capecId": "CAPEC-176", "descriptions": [{"lang": "en", "value": "CAPEC-176 Configuration/Environment Manipulation"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "a6081bf6-c852-4425-ad4f-a67919267565", "shortName": "kubernetes", "dateUpdated": "2026-03-19T21:50:17.878Z"}, "references": [{"url": "https://github.com/kubernetes/kubernetes/issues/137893"}], "credits": [{"lang": "en", "value": "wooseokdotkim", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "title": "ingress-nginx comment-based nginx configuration injection", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/03/19/9"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-03-19T22:10:03.911Z"}}]}}

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