{"metadata": {"vulnerability": "CVE-2026-54899", "count": 25, "kinds": {"milestone": 12, "sighting": 2, "kev": 0, "other": 11}}, "data": [{"timestamp": "2026-06-16T13:49:33.555Z", "date_only": false, "value": "2026-06-16T13:49:33.555Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-54899", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-06-19T19:34:30Z", "date_only": false, "value": "2026-06-19T19:34:30Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-2CW7-V8FF-P88R", "record": "GHSA-2CW7-V8FF-P88R", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-06-30T23:03:15.696Z", "date_only": false, "value": "2026-06-30T23:03:15.696Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-54899", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-06-30T23:03:15.696Z", "date_only": false, "value": "2026-06-30T23:03:15.696Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / GitHub_M", "record": "CVE-2026-54899", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-07-01T00:16:00Z", "date_only": false, "value": "2026-07-01T00:16:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-54899", "record": "UBUNTU-CVE-2026-54899", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-07-01T00:16:33Z", "date_only": false, "value": "2026-07-01T00:16:33Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-2CW7-V8FF-P88R", "record": "GHSA-2CW7-V8FF-P88R", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2026-07-01T00:16:33.220Z", "date_only": false, "value": "2026-07-01T00:16:33.220", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-54899", "record": "FKIE_CVE-2026-54899", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-07-01T02:25:25.780Z", "date_only": false, "value": "2026-07-01T02:25:25.780519Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mpkhnr7sqg26", "record": "CVE-2026-54899", "field": "creation_timestamp", "uuid": "38e8378b-b68a-4538-bac6-b2ac32340ab5", "content": "CVE-2026-54899 - Oj: Use-After-Free in Oj::Parser Symbol Key Cache Toggle\nCVE ID : CVE-2026-54899\n \n Published : June 30, 2026, 11:03 p.m. | 2\u00a0hours, 43\u00a0minutes ago\n \n Description : Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. 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