{"metadata": {"vulnerability": "CVE-2026-18223", "count": 13, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 8}}, "data": [{"timestamp": "2026-07-29T11:18:02.745Z", "date_only": false, "value": "2026-07-29T11:18:02.745Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-18223", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-16T07:12:39.911Z", "date_only": false, "value": "2026-10-16T07:12:39.911Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-18223", "field": "cveMetadata.datePublished"}, {"timestamp": "2026-10-16T07:12:39.911Z", "date_only": false, "value": "2026-10-16T07:12:39.911Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / Mattermost", "record": "CVE-2026-18223", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-16T08:08:24.199Z", "date_only": false, "value": "2026-10-16T08:08:24.199114Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117449562760111356", "record": "CVE-2026-18223", "field": "creation_timestamp", "uuid": "2fa94afd-8dae-44b0-9e29-bf8a2ee78050", "content": "CVE-2026-18223 Mattermost invitation tokens not bound to invited email address allowing unauthorized team and private channel access Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to validate the invited recipient's email address when redeeming team and guest invitation tokens, which allows an authenticated attacker to join a team or gain unauthorized access to private channels via a forwarded or leaked invitation link.. Mattermost Advisory ID: MMSA-2026-00747\nhttps://www.cve.org/CVERecord?id=CVE-2026-18223https://mattermost.com/security-updates#mattermost #Mattermost#CVE_2026_18223#bot", "url": "https://infosec.exchange/users/cve/statuses/117449562760111356"}, {"timestamp": "2026-10-16T08:17:12Z", "date_only": false, "value": "2026-10-16T08:17:12Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-J732-3464-9JVM", "record": "GHSA-J732-3464-9JVM", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-10-16T08:17:12.753Z", "date_only": false, "value": "2026-10-16T08:17:12.753", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-18223", "record": "FKIE_CVE-2026-18223", "field": "published"}, {"timestamp": "2026-10-16T09:30:29Z", "date_only": false, "value": "2026-10-16T09:30:29Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-J732-3464-9JVM", "record": "GHSA-J732-3464-9JVM", "field": "published"}, {"timestamp": "2026-10-16T09:30:29Z", "date_only": false, "value": "2026-10-16T09:30:29Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-J732-3464-9JVM", "record": "GHSA-J732-3464-9JVM", "field": "modified"}, {"timestamp": "2026-10-16T14:16:18.832Z", "date_only": false, "value": "2026-10-16T14:16:18.832947Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-18223", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-10-16T14:16:18.832Z", "date_only": false, "value": "2026-10-16T14:16:18.832947Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-18223", "record": "FKIE_CVE-2026-18223", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2026-10-16T14:16:33.994Z", "date_only": false, "value": "2026-10-16T14:16:33.994Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-18223", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-16T14:16:33.994Z", "date_only": false, "value": "2026-10-16T14:16:33.994Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-18223", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-16T19:23:18.623Z", "date_only": false, "value": "2026-10-16T19:23:18.623", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-18223", "record": "FKIE_CVE-2026-18223", "field": "lastModified"}]}