{"metadata": {"vulnerability": "CVE-2026-81900", "count": 13, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 8}}, "data": [{"timestamp": "2026-08-27T18:18:39.738Z", "date_only": false, "value": "2026-08-27T18:18:39.738Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-81900", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-09-14T22:07:58.533Z", "date_only": false, "value": "2026-09-14T22:07:58.533Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-81900", "field": "cveMetadata.datePublished"}, {"timestamp": "2026-09-14T22:07:58.533Z", "date_only": false, "value": "2026-09-14T22:07:58.533Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / ConcreteCMS", "record": "CVE-2026-81900", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-09-14T23:18:48Z", "date_only": false, "value": "2026-09-14T23:18:48Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-C87M-38HC-RC4G", "record": "GHSA-C87M-38HC-RC4G", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-09-14T23:18:48.333Z", "date_only": false, "value": "2026-09-14T23:18:48.333", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-81900", "record": "FKIE_CVE-2026-81900", "field": "published"}, {"timestamp": "2026-09-15T00:31:14Z", "date_only": false, "value": "2026-09-15T00:31:14Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-C87M-38HC-RC4G", "record": "GHSA-C87M-38HC-RC4G", "field": "published"}, {"timestamp": "2026-09-15T12:40:04.826Z", "date_only": false, "value": "2026-09-15T12:40:04.826228Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvkngsrlxi2t", "record": "CVE-2026-81900", "field": "creation_timestamp", "uuid": "90c925dc-2b5c-41b7-a169-6565c05080a2", "content": "CVE-2026-81900 - concrete cms\nIn versions of Concrete CMS before 9.5.3, the YouTube block did not properly clean the width and height values it stored. A user who can edit blocks could insert malicious code that\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#concretecms #CVE #infosec", "url": "https://bsky.app/profile/stackflag.bsky.social/post/3mvkngsrlxi2t"}, {"timestamp": "2026-09-15T13:44:15.554Z", "date_only": false, "value": "2026-09-15T13:44:15.554567Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-81900", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-09-15T13:44:15.554Z", "date_only": false, "value": "2026-09-15T13:44:15.554567Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-81900", "record": "FKIE_CVE-2026-81900", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2026-09-15T13:44:30.063Z", "date_only": false, "value": "2026-09-15T13:44:30.063Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-81900", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-09-15T13:44:30.063Z", "date_only": false, "value": "2026-09-15T13:44:30.063Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-81900", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-09-16T20:47:10.650Z", "date_only": false, "value": "2026-09-16T20:47:10.650", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-81900", "record": "FKIE_CVE-2026-81900", "field": "lastModified"}, {"timestamp": "2026-09-16T21:31:52Z", "date_only": false, "value": "2026-09-16T21:31:52Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-C87M-38HC-RC4G", "record": "GHSA-C87M-38HC-RC4G", "field": "modified"}]}