{"metadata": {"vulnerability": "CVE-2020-26890", "count": 20, "kinds": {"milestone": 6, "sighting": 1, "kev": 0, "other": 13}}, "data": [{"timestamp": "2020-10-08T00:00:00Z", "date_only": false, "value": "2020-10-08T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2020-26890", "field": "cveMetadata.dateReserved"}, {"timestamp": "2020-11-24T00:00:00Z", "date_only": true, "value": "2020-11-24", "kind": "other", "label": "Pubdate", "source": "gsd \u00b7 GSD-2020-26890", "record": "GSD-2020-26890", "field": "namespaces.gitlab.com.advisories.0.pubdate"}, {"timestamp": "2020-11-24T02:07:06Z", "date_only": false, "value": "2020-11-24T02:07:06.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2020-26890", "field": "cveMetadata.datePublished"}, {"timestamp": "2020-11-24T03:15:00Z", "date_only": false, "value": "2020-11-24T03:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-4MP3-385R-V63F", "record": "GHSA-4MP3-385R-V63F", "field": "database_specific.nvd_published_at"}, {"timestamp": "2020-11-24T03:15:00Z", "date_only": false, "value": "2020-11-24T03:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-26890", "record": "UBUNTU-CVE-2020-26890", "field": "published"}, {"timestamp": "2020-11-24T03:15:00Z", "date_only": false, "value": "2020-11-24T03:15:00Z", "kind": "milestone", "label": "Published", "source": "pysec \u00b7 PYSEC-2020-237", "record": "PYSEC-2020-237", "field": "published"}, {"timestamp": "2020-11-24T03:15:00Z", "date_only": false, "value": "2020-11-24T03:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2020-26890", "record": "GSD-2020-26890", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2020-11-24T03:15:13.120Z", "date_only": false, "value": "2020-11-24T03:15:13.120", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-26890", "record": "FKIE_CVE-2020-26890", "field": "published"}, {"timestamp": "2020-11-24T07:46:24Z", "date_only": false, "value": "2020-11-24T07:46:24.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/16766", "record": "CVE-2020-26890", "field": "creation_timestamp", "uuid": "d6cf2ba0-336c-491e-96a9-23d963beeadf", "content": "\u203c CVE-2020-26890 \u203c\n\nMatrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member events, allowing remote attackers to execute a denial of service attack against the federation and common Matrix clients. If such a malformed event is accepted into the room's state, the impact is long-lasting and is not fixed by an upgrade to a newer version, requiring the event to be manually redacted instead. Since events are replicated to servers of other room members, the impact is not constrained to the server of the event sender.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/16766"}, {"timestamp": "2020-11-24T22:58:58Z", "date_only": false, "value": "2020-11-24T22:58:58Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-4MP3-385R-V63F", "record": "GHSA-4MP3-385R-V63F", "field": "published"}, {"timestamp": "2020-12-10T02:06:07Z", "date_only": false, "value": "2020-12-10T02:06:07.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "CVE-2020-26890", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-07-21T00:00:00Z", "date_only": true, "value": "2021-07-21", "kind": "other", "label": "Date", "source": "gsd \u00b7 GSD-2020-26890", "record": "GSD-2020-26890", "field": "namespaces.gitlab.com.advisories.0.date"}, {"timestamp": "2021-07-21T11:39:00Z", "date_only": false, "value": "2021-07-21T11:39Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2020-26890", "record": "GSD-2020-26890", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2021-08-27T03:22:06.477Z", "date_only": false, "value": "2021-08-27T03:22:06.477416Z", "kind": "other", "label": "Updated", "source": "pysec \u00b7 PYSEC-2020-237", "record": "PYSEC-2020-237", "field": "modified"}, {"timestamp": "2023-12-13T01:22:08.728Z", "date_only": false, "value": "2023-12-13T01:22:08.728432Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2020-26890", "record": "GSD-2020-26890", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-08-04T16:03:22.703Z", "date_only": false, "value": "2024-08-04T16:03:22.703Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2020-26890", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-04T16:03:22.703Z", "date_only": false, "value": "2024-08-04T16:03:22.703Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2020-26890", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-30T20:31:47Z", "date_only": false, "value": "2024-09-30T20:31:47Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-4MP3-385R-V63F", "record": "GHSA-4MP3-385R-V63F", "field": "modified"}, {"timestamp": "2025-09-08T16:46:25Z", "date_only": false, "value": "2025-09-08T16:46:25Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-26890", "record": "UBUNTU-CVE-2020-26890", "field": "modified"}, {"timestamp": "2026-06-17T03:08:28.390Z", "date_only": false, "value": "2026-06-17T03:08:28.390", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-26890", "record": "FKIE_CVE-2020-26890", "field": "lastModified"}]}