{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-52831",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-08T18:11:06.662Z",
        "datePublished": "2026-09-02T16:40:28.765Z",
        "dateUpdated": "2026-09-02T16:40:28.765Z"
    },
    "containers": {
        "cna": {
            "title": "Nuclio: Unsanitized cron trigger event headers/body injected into CronJob shell command leads to persistent RCE",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-78",
                            "lang": "en",
                            "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "HIGH",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/nuclio/nuclio/security/advisories/GHSA-v5px-423j-pf7p",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/nuclio/nuclio/security/advisories/GHSA-v5px-423j-pf7p"
                },
                {
                    "name": "https://github.com/nuclio/nuclio/commit/3356b86a8bfab3f960aa420310ebff765df9dede",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuclio/nuclio/commit/3356b86a8bfab3f960aa420310ebff765df9dede"
                },
                {
                    "name": "https://github.com/nuclio/nuclio/releases/tag/1.16.4",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuclio/nuclio/releases/tag/1.16.4"
                }
            ],
            "affected": [
                {
                    "vendor": "nuclio",
                    "product": "nuclio",
                    "versions": [
                        {
                            "version": "< 1.16.4",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-09-02T16:40:28.765Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Nuclio is a \"Serverless\" framework for Real-Time Events and Data Processing. Prior to version 1.16.4, the Nuclio controller builds a curl invocation string for each cron trigger and stores it as the args of a Kubernetes CronJob container (/bin/sh, -c, <command>). Two fields in the trigger specification flow into this string without adequate sanitization: event.headers keys and event.body. This issue has been patched in version 1.16.4."
                }
            ],
            "source": {
                "advisory": "GHSA-v5px-423j-pf7p",
                "discovery": "UNKNOWN"
            }
        }
    }
}