CVE-2026-53435

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"rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:ocp_tools:4.19::el9"], "defaultStatus": "affected", "packageName": "ocp-tools-4/jenkins-rhel9", "product": "OpenShift Developer Tools and Services 4.19", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1787124632", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:ocp_tools:4.20::el9"], "defaultStatus": "affected", "packageName": "ocp-tools-4/jenkins-rhel9", "product": "OpenShift Developer Tools and Services 4.20", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1787124925", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:ocp_tools:4.21::el9"], "defaultStatus": "affected", "packageName": "ocp-tools-4/jenkins-rhel9", "product": "OpenShift Developer Tools and Services 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incluyendo el uso de la Consola de Scripts para ejecutar c\u00f3digo arbitrario, o para leer archivos arbitrarios del controlador de Jenkins."}], "id": "CVE-2026-53435", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": 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"https://access.redhat.com/security/cve/CVE-2026-53435"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487539"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53435.json"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-502"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "jenkins: Jenkins: Arbitrary code execution via deserialization of attacker-controlled configuration", "id": "2487539", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487539"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins core or plugins from an attacker-controlled `config.xml` submission in a way that allows them to handle HTTP requests afterwards.\nThis can be used to impersonate any user and send HTTP requests on their behalf, up to and including use of the Script Console to run arbitrary code, or to read arbitrary files from the Jenkins controller.", "A flaw was found in Jenkins. Attackers can exploit a deserialization vulnerability by submitting a specially crafted `config.xml` file. This allows them to deserialize arbitrary types, leading to the ability to impersonate users and send HTTP requests on their behalf. The most critical impact is the potential for arbitrary code execution through the Script Console, as well as unauthorized reading of files from the Jenkins controller."], "name": "CVE-2026-53435", "package_state": [{"cpe": "cpe:/a:redhat:ocp_tools", "fix_state": "Under investigation", "package_name": "jenkins", "product_name": "OpenShift Developer Tools and Services"}], "public_date": "2026-06-10T13:05:57Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53435\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53435\nhttps://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3707"], "threat_severity": "Important"}

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