{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31072", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-05-19T14:47:33.378Z", "dateReserved": "2026-03-09T00:00:00.000Z", "datePublished": "2026-05-19T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-19T14:47:33.378Z"}, "descriptions": [{"lang": "en", "value": "The JSONSerializer and CBORSerializer in APScheduler (all versions including 3.10.x and 4.0.0a5) are vulnerable to Remote Code Execution (RCE) via Insecure Deserialization. The unmarshal_object function allows for arbitrary class instantiation and state injection by dynamically importing modules and calling __setstate__ on any class available in the Python environment. An attacker can exploit this by submitting a specially crafted JSON or CBOR payload to an application using these serializers"}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/agronholm/apscheduler"}, {"url": "https://gist.github.com/nedlir/11fb77f35a59cbba73392a086b02a9c6"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The JSONSerializer and CBORSerializer in APScheduler (all versions including 3.10.x and 4.0.0a5) are vulnerable to Remote Code Execution (RCE) via Insecure Deserialization. The unmarshal_object function allows for arbitrary class instantiation and state injection by dynamically importing modules and calling __setstate__ on any class available in the Python environment. An attacker can exploit this by submitting a specially crafted JSON or CBOR payload to an application using these serializers"}], "id": "CVE-2026-31072", "lastModified": "2026-05-19T18:04:29.373", "metrics": {}, "published": "2026-05-19T16:16:20.610", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/nedlir/11fb77f35a59cbba73392a086b02a9c6"}, {"source": "cve@mitre.org", "url": "https://github.com/agronholm/apscheduler"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred"}

{}

{"created": "2026-05-19T17:00:12.959974+00:00", "title": "Insecure Deserialization in APScheduler Enabling Arbitrary Code Execution", "updated": "2026-05-19T17:00:12.959986+00:00", "vendors": [], "weaknesses": ["CWE-502", "CWE-116"]}