{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53436", "assignerOrgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "state": "PUBLISHED", "assignerShortName": "jenkins", "dateReserved": "2026-06-09T14:26:44.788Z", "datePublished": "2026-06-10T13:05:57.934Z", "dateUpdated": "2026-06-10T15:36:40.939Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "39769cd5-e6e2-4dc8-927e-97b3aa056f5b", "shortName": "jenkins", "dateUpdated": "2026-06-10T13:05:57.934Z"}, "affected": [{"vendor": "Jenkins Project", "product": "Jenkins", "versions": [{"version": "2.568", "versionType": "maven", "lessThan": "*", "status": "unaffected"}, {"version": "2.555.3", "versionType": "maven", "lessThan": "2.555.*", "status": "unaffected"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains relative path segments (`./` or `../`), allowing attackers to perform phishing attacks."}], "references": [{"name": "Jenkins Security Advisory 2026-06-10", "url": "https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3711+3755", "tags": ["vendor-advisory"]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-601", "lang": "en", "description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-10T15:36:38.038604Z", "id": "CVE-2026-53436", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T15:36:40.939Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains relative path segments (`./` or `../`), allowing attackers to perform phishing attacks."}], "id": "CVE-2026-53436", "lastModified": "2026-06-10T14:16:36.547", "metrics": {}, "published": "2026-06-10T14:16:36.547", "references": [{"source": "jenkinsci-cert@googlegroups.com", "url": "https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3711+3755"}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com", "vulnStatus": "Received"}

{}

{"created": "2026-06-10T15:30:15.861191+00:00", "title": "Jenkins Improper Validates Redirect URL After Login Allowing Phishing", "updated": "2026-06-10T15:30:15.861203+00:00", "vendors": [], "weaknesses": ["CWE-601"]}