{"metadata": {"vulnerability": "CVE-2026-109290", "count": 14, "kinds": {"milestone": 4, "sighting": 1, "kev": 0, "other": 9}}, "data": [{"timestamp": "2026-09-27T00:00:00Z", "date_only": false, "value": "2026-09-27T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / VulnCheck", "record": "CVE-2026-109290", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-12T14:12:52.833Z", "date_only": false, "value": "2026-10-12T14:12:52.833Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-109290", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-12T16:04:51.655Z", "date_only": false, "value": "2026-10-12T16:04:51.655Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-109290", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-12T17:02:27.496Z", "date_only": false, "value": "2026-10-12T17:02:27.496268Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117429013514037544", "record": "CVE-2026-109290", "field": "creation_timestamp", "uuid": "78f55b5f-586a-4b1e-a60d-c2fa8dc445ba", "content": "CVE-2026-109290 Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing administrator's session token from local storage and take over the instance.\nhttps://www.cve.org/CVERecord?id=CVE-2026-109290https://github.com/open-webui/open-webui/security/advisories/GHSA-f9xp-mfmq-x6cghttps://www.vulncheck.com/advisories/open-webui-0.11.1-before-0.11.4-stored-xss-via-docx-preview#open-webui#CVE_2026_109290#bot", "url": "https://infosec.exchange/users/cve/statuses/117429013514037544"}, {"timestamp": "2026-10-12T17:17:22Z", "date_only": false, "value": "2026-10-12T17:17:22Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-39H3-JJQW-8PCH", "record": "GHSA-39H3-JJQW-8PCH", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-10-12T17:17:22.210Z", "date_only": false, "value": "2026-10-12T17:17:22.210", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-109290", "record": "FKIE_CVE-2026-109290", 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