CVE-2026-84670

{"id": "CVE-2026-84670", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-84670", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-02T16:57:47.332103Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "jenkinsci-cert@googlegroups.com", "affectedData": [{"vendor": "Jenkins Project", "product": "Jenkins Performance Plugin", "versions": [{"status": "affected", "version": "0", "versionType": "maven", "lessThanOrEqual": "1015.v09ca_52b_3370e"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-02T16:17:31.640", "references": [{"url": "https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4026", "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Jenkins Performance Plugin 1015.v09ca_52b_3370e and earlier does not restrict the classes that can be instantiated when deserializing cached performance reports stored in the build directory on the Jenkins controller, allowing attackers with Item/Configure permission to execute arbitrary code on the Jenkins controller."}], "lastModified": "2026-09-03T17:13:16.490", "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}