{"metadata": {"vulnerability": "CVE-2026-71253", "count": 13, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 8}}, "data": [{"timestamp": "2026-08-05T11:38:30.610Z", "date_only": false, "value": "2026-08-05T11:38:30.610Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-71253", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-19T10:36:41.781Z", "date_only": false, "value": "2026-10-19T10:36:41.781Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-71253", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-19T10:36:41.781Z", "date_only": false, "value": "2026-10-19T10:36:41.781Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / apache", "record": "CVE-2026-71253", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-19T10:47:38.241Z", "date_only": false, "value": "2026-10-19T10:47:38.241762Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117467175829382221", "record": "CVE-2026-71253", "field": "creation_timestamp", "uuid": "866bca7f-7815-4829-b4b9-227a8f0dcaae", "content": "CVE-2026-71253 Apache Johnzon: ClassConverter loads & static-initializes an attacker-named class from untrusted JSON Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Johnzon.\nClassConverter loads & static-initializes an attacker-named class from untrusted JSON.\nThis issue affects Apache Johnzon: from 1.0.0 before 2.2.0.\nUsers are recommended to upgrade to version 1.3.1 (javax namespace) or 2.2.0 (jakarta specification namespace), which fixes the 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