{"metadata": {"vulnerability": "CVE-2026-16889", "count": 10, "kinds": {"milestone": 3, "sighting": 1, "kev": 0, "other": 6}}, "data": [{"timestamp": "2026-07-24T05:06:16.448Z", "date_only": false, "value": "2026-07-24T05:06:16.448Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-29T01:32:09.466Z", "date_only": false, "value": "2026-10-29T01:32:09.466Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-29T01:32:09.466Z", "date_only": false, "value": "2026-10-29T01:32:09.466Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / MON-CSIRT", "record": "CVE-2026-16889", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-29T01:46:37.481Z", "date_only": false, "value": "2026-10-29T01:46:37.481198Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117521671574070250", "record": "CVE-2026-16889", "field": "creation_timestamp", "uuid": "24d59601-f3d8-4d9b-bc45-bbdeee49faf6", "content": "CVE-2026-16889 Stored XSS via Pre-Login Notice Image Upload Serves Attacker HTML from Application Origin In openEQUELLA before 2026.1, the pre-login notice image upload endpoint (PUT /api/preloginnotice/image/{name}) does not validate the type of uploaded files and serves them with a Content-Type derived from the supplied filename. A user holding the EDIT_SYSTEM_SETTINGS permission can upload an HTML file that is then served as text/html from the openEQUELLA origin, resulting in stored cross-site scripting. Unauthenticated exploitation is possible where EDIT_SYSTEM_SETTINGS has been granted to the guest user or everyone.\nhttps://www.cve.org/CVERecord?id=CVE-2026-16889https://github.com/openequella/openEQUELLA/security/advisories/GHSA-q2xv-rffq-mj5whttps://openequella.github.io/guides/#openequella #ApereoFoundation #openEQUELLA#CVE_2026_16889#bot", "url": "https://infosec.exchange/users/cve/statuses/117521671574070250"}, {"timestamp": "2026-10-29T01:51:03.808Z", "date_only": false, "value": "2026-10-29T01:51:03.808908Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-16889", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-10-29T02:02:13.700Z", "date_only": false, "value": "2026-10-29T02:02:13.700Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-10-29T02:02:13.700Z", "date_only": false, "value": "2026-10-29T02:02:13.700Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-16889", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-10-29T02:16:51Z", "date_only": false, "value": "2026-10-29T02:16:51Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-JJ9R-XGJ6-PRVJ", "record": "GHSA-JJ9R-XGJ6-PRVJ", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-10-29T03:30:29Z", "date_only": false, "value": "2026-10-29T03:30:29Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-JJ9R-XGJ6-PRVJ", "record": "GHSA-JJ9R-XGJ6-PRVJ", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-29T03:30:29Z", "date_only": false, "value": "2026-10-29T03:30:29Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-JJ9R-XGJ6-PRVJ", "record": "GHSA-JJ9R-XGJ6-PRVJ", "field": "modified"}], "metrics": {"as_of": "2026-10-30T02:46:04.436Z", "anchors": {"origin": {"timestamp": "2026-10-29T01:32:09.466Z", "date_only": false, "value": "2026-10-29T01:32:09.466Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2026-10-29T01:32:09.466Z", "date_only": false, "value": "2026-10-29T01:32:09.466Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": null, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": false, "missing": ["end"]}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 90834.970002, "hours": 25.231936111666666, "days": 1.0513306713194446, "min_seconds": 90834.970002, "max_seconds": 90834.970002, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2026-10-29T01:32:09.466Z", "date_only": false, "value": "2026-10-29T01:32:09.466Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-16889", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-10-30T02:46:04.436Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": false, "missing": ["start"]}}}