{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-70426",
        "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
        "state": "PUBLISHED",
        "assignerShortName": "jenkins",
        "dateReserved": "2026-08-04T14:13:20.602Z",
        "datePublished": "2026-08-05T17:40:27.071Z",
        "dateUpdated": "2026-08-06T03:55:46.082Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b",
                "shortName": "jenkins",
                "dateUpdated": "2026-08-05T17:40:27.071Z"
            },
            "affected": [
                {
                    "vendor": "Jenkins Project",
                    "product": "Jenkins",
                    "versions": [
                        {
                            "version": "2.576",
                            "versionType": "maven",
                            "lessThan": "*",
                            "status": "unaffected"
                        },
                        {
                            "version": "2.568.2",
                            "versionType": "maven",
                            "lessThan": "2.568.*",
                            "status": "unaffected"
                        }
                    ],
                    "defaultStatus": "affected"
                },
                {
                    "vendor": "Jenkins Project",
                    "product": "Remoting",
                    "versions": [
                        {
                            "version": "3385.vf1123fb_515da_",
                            "versionType": "maven",
                            "lessThan": "*",
                            "status": "unaffected"
                        },
                        {
                            "version": "3355.3357.v931d3c992987",
                            "versionType": "maven",
                            "lessThan": "3355.*",
                            "status": "unaffected"
                        }
                    ],
                    "defaultStatus": "affected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath."
                }
            ],
            "references": [
                {
                    "name": "Jenkins Security Advisory 2026-08-05",
                    "url": "https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ]
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-502",
                                "lang": "en",
                                "description": "CWE-502 Deserialization of Untrusted Data"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "CHANGED",
                            "version": "3.1",
                            "baseScore": 9,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "HIGH",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-05T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-70426"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-06T03:55:46.082Z"
                }
            }
        ]
    }
}