{"metadata": {"vulnerability": "CVE-2026-19076", "count": 13, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 8}}, "data": [{"timestamp": "2026-08-06T09:52:03.711Z", "date_only": false, "value": "2026-08-06T09:52:03.711Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-19076", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-16T07:11:29.552Z", "date_only": false, "value": "2026-10-16T07:11:29.552Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-19076", "field": "cveMetadata.datePublished"}, {"timestamp": "2026-10-16T07:11:29.552Z", "date_only": false, "value": "2026-10-16T07:11:29.552Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / Mattermost", "record": "CVE-2026-19076", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-16T08:11:05.727Z", "date_only": false, "value": "2026-10-16T08:11:05.727096Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117449573351623958", "record": "CVE-2026-19076", "field": "creation_timestamp", "uuid": "edbf7feb-8f99-4fd4-98a3-644aa9bff7b3", "content": "CVE-2026-19076 Mattermost fails to reject OAuth application sessions in account type switch, allowing account takeover via bearer token 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 reject OAuth application sessions in the account type switch endpoint, which allows an attacker with a valid OAuth bearer token for a target user to permanently take over that user's SSO-backed account by setting an attacker-controlled password and detaching the account from its identity provider via a crafted request to POST /api/v4/users/login/switch.. Mattermost Advisory ID: MMSA-2026-00758\nhttps://www.cve.org/CVERecord?id=CVE-2026-19076https://mattermost.com/security-updates#mattermost #Mattermost#CVE_2026_19076#bot", "url": "https://infosec.exchange/users/cve/statuses/117449573351623958"}, {"timestamp": "2026-10-16T08:17:13Z", "date_only": false, "value": "2026-10-16T08:17:13Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-HHJM-MG95-JR6G", "record": "GHSA-HHJM-MG95-JR6G", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-10-16T08:17:13.177Z", "date_only": false, "value": "2026-10-16T08:17:13.177", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-19076", "record": "FKIE_CVE-2026-19076", "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-HHJM-MG95-JR6G", "record": "GHSA-HHJM-MG95-JR6G", "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-HHJM-MG95-JR6G", "record": "GHSA-HHJM-MG95-JR6G", "field": "modified"}, {"timestamp": "2026-10-16T14:06:08.450Z", "date_only": false, "value": "2026-10-16T14:06:08.450522Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-19076", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-10-16T14:06:08.450Z", "date_only": false, "value": "2026-10-16T14:06:08.450522Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-19076", "record": "FKIE_CVE-2026-19076", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2026-10-16T14:06:23.946Z", "date_only": false, "value": "2026-10-16T14:06:23.946Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-19076", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-16T14:06:23.946Z", "date_only": false, "value": "2026-10-16T14:06:23.946Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-19076", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-16T14:17:24.830Z", "date_only": false, "value": "2026-10-16T14:17:24.830", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-19076", "record": "FKIE_CVE-2026-19076", "field": "lastModified"}]}