{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33002", "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "state": "PUBLISHED", "assignerShortName": "jenkins", "dateReserved": "2026-03-17T15:04:07.616Z", "datePublished": "2026-03-18T15:15:25.002Z", "dateUpdated": "2026-03-19T14:45:46.878Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2026-03-18T15:15:25.002Z"}, "affected": [{"vendor": "Jenkins Project", "product": "Jenkins", "versions": [{"version": "0", "versionType": "maven", "lessThan": "2.426.3", "status": "unaffected"}, {"version": "2.427", "versionType": "maven", "lessThan": "2.442", "status": "unaffected"}, {"version": "2.555", "versionType": "maven", "lessThan": "*", "status": "unaffected"}, {"version": "2.541.3", "versionType": "maven", "lessThan": "2.541.*", "status": "unaffected"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation."}], "references": [{"name": "Jenkins Security Advisory 2026-03-18", "url": "https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674", "tags": ["vendor-advisory"]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-350", "lang": "en", "description": "CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-19T14:43:30.815362Z", "id": "CVE-2026-33002", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-19T14:45:46.878Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation."}], "id": "CVE-2026-33002", "lastModified": "2026-03-19T15:16:27.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-03-18T16:16:28.187", "references": [{"source": "jenkinsci-cert@googlegroups.com", "url": "https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-350"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "jenkins: Jenkins: Origin validation bypass via DNS rebinding in CLI WebSocket endpoint", "id": "2448643", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448643"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["A flaw was found in Jenkins. A remote attacker could exploit a vulnerability in the origin validation of requests made through the Command Line Interface (CLI) WebSocket endpoint. By manipulating the Host or X-Forwarded-Host HTTP headers, an attacker can perform Domain Name System (DNS) rebinding attacks. This allows bypassing the origin validation, potentially leading to unauthorized actions within the Jenkins environment."], "name": "CVE-2026-33002", "package_state": [{"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Out of support scope", "package_name": "jenkins", "product_name": "OpenShift Developer Tools and Services"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Not affected", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}], "public_date": "2026-03-18T15:15:25Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-33002\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-33002\nhttps://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3674"], "statement": "This vulnerability is rated as Moderate by Red Hat, as the possible impacts of successful exploitation are tied to the permissions assigned to the anonymous user.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.426.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[2.427,2.442)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[2.555,*)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[2.541.3,2.542.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Jenkins", "source": "cna", "vendor": "Jenkins Project"}, "product": "jenkins", "vendor": "jenkins_project"}], "created": "2026-03-19T08:56:35.260687+00:00", "updated": "2026-03-19T08:56:35.260766+00:00", "vendors": ["jenkins_project", "jenkins_project$PRODUCT$jenkins"]}