{"id":"CVE-2026-53405","state":"PUBLISHED","title":"Apache Syncope: Remote Code Execution via Flowable BPMN Groovy ScriptTask","description":"Improper Isolation or Compartmentalization vulnerability in Apache Syncope.\n\nAn administrator with adequate entitlements can import arbitrary BPMN process definitions via the REST API and then start the process. When a BPMN process containing a Groovy scriptTask is imported and started, the Groovy script is executed directly on the server, with no sandbox.\n\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1.\n\n\n\n\nUsers are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue by wrapping Flowable's Groovy scriptTasks with security sandbox.","publishedAt":"2026-07-20T14:20:06.824Z","updatedAt":"2026-07-21T14:57:26.644Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Syncope"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Syncope","packageName":"org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn","defaultStatus":"unaffected","versions":[{"version":"3.0.0-M0","status":"affected","lessThanOrEqual":"3.0.16","versionType":"semver"},{"version":"4.0.0-M0","status":"affected","lessThanOrEqual":"4.0.6","versionType":"semver"},{"version":"4.1.0-M0","status":"affected","lessThanOrEqual":"4.1.1","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/vdq0tk6ylffz6trbgbllj9kb1ndzff7k","http://www.openwall.com/lists/oss-security/2026/07/20/6"],"weaknesses":["CWE-653"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53405.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53405","state":"PUBLISHED","datePublished":"2026-07-20T14:20:06.824Z","dateUpdated":"2026-07-21T14:57:26.644Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-06-09T09:39:17.153Z"},"containers":{"cna":{"title":"Apache Syncope: Remote Code Execution via Flowable BPMN Groovy ScriptTask","descriptions":[{"lang":"en","value":"Improper Isolation or Compartmentalization vulnerability in Apache Syncope.\n\nAn administrator with adequate entitlements can import arbitrary BPMN process definitions via the REST API and then start the process. When a BPMN process containing a Groovy scriptTask is imported and started, the Groovy script is executed directly on the server, with no sandbox.\n\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1.\n\n\n\n\nUsers are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue by wrapping Flowable's Groovy scriptTasks with security sandbox."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Syncope","packageName":"org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn","defaultStatus":"unaffected","versions":[{"version":"3.0.0-M0","status":"affected","lessThanOrEqual":"3.0.16","versionType":"semver"},{"version":"4.0.0-M0","status":"affected","lessThanOrEqual":"4.0.6","versionType":"semver"},{"version":"4.1.0-M0","status":"affected","lessThanOrEqual":"4.1.1","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/vdq0tk6ylffz6trbgbllj9kb1ndzff7k","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-653","description":"CWE-653 Improper Isolation or Compartmentalization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-20T14:20:06.824Z"},"credits":[{"lang":"en","type":"finder","value":"follycat, Y0n3er"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/20/6"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-20T18:38:13.576Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-21T14:35:55.527536Z","id":"CVE-2026-53405","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-21T14:57:26.644Z"}}]}}}