{"items":[{"id":"NVI-00011853","kind":"vulnerability","title":"ckan-mcp-server: DataStore Table UI resource does not validate postMessage origin (in) and posts to targetOrigin \"*\" (out)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-vqff-r82h-9crc","CVE-2026-76894"],"plain_summary":"GitHub lists this reviewed advisory for @aborruso/ckan-mcp-server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1786962248d1cea0e42ae8813c16bcb1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:24:46.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-449b71b12bcad8778aa821f204f05d10"},{"kind":"CVSS","as_of":"2026-11-03T21:17:43.240Z","value":"3.1 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1786962248d1cea0e42ae8813c16bcb1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-449b71b12bcad8778aa821f204f05d10","url":"https://github.com/advisories/GHSA-vqff-r82h-9crc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vqff-r82h-9crc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-1786962248d1cea0e42ae8813c16bcb1","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76894","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-76894","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:04.406Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-449b71b12bcad8778aa821f204f05d10"],"technology":"@aborruso/ckan-mcp-server","known_exclusions":[],"conditions_summary":"## Summary\n\nThe MCP Apps UI resource (an interactive DataStore table rendered in the host's webview/iframe) communicates with its parent via `postMessage`. Its inbound `message` listener performs no `event.origin` validation, and its outbound messages are sent with target origin `'*'`. Any window/frame able to reach the document can inject data into the table and interfere with the MCP UI handshake, and the UI's own JSON-RPC messages are broadcast without an origin restriction.\n\n## Affected code\n\n`src/resources/datastore-table-ui.ts` (inline HTML):\n\n```js\nwindow.addEventListener('message', function (event) {\n  var msg = event.data;                    // no check of event.origin\n  if (!msg || typeof msg !== 'object') return;\n  if (msg.id !== undefined && _pending[msg.id]) { ... resolve/reject pending MCP request ... }\n  ...\n  if (data && (data.fields || data.records)) initTable(data);   // renders attacker-supplied data\n});\n\n// outbound:\nwindow.parent.postMessage({ jsonrpc: '2.0', id: id, method: method, params: params || {} }, '*');\nmcpNot: window.parent.postMessage({ jsonrpc:'2.0', method:method, params:params||{} }, '*');\n```\n\nThere is no allowlist of accepted origins for inbound","public_affected_ranges":["< 0.4.112"]}],"null_published_at":"2026-11-04T10:04:35.914Z","source_updated_at":"2026-10-16T19:24:46.000Z","source_disclosed_at":"2026-10-16T19:23:48.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011853","kind":"vulnerability","title":"ckan-mcp-server: DataStore Table UI resource does not validate postMessage origin (in) and posts to targetOrigin \"*\" (out)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vqff-r82h-9crc","CVE-2026-76894"],"plain_summary":"GitHub lists this reviewed advisory for @aborruso/ckan-mcp-server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-449b71b12bcad8778aa821f204f05d10"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:24:46.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-449b71b12bcad8778aa821f204f05d10"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-449b71b12bcad8778aa821f204f05d10","url":"https://github.com/advisories/GHSA-vqff-r82h-9crc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vqff-r82h-9crc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-449b71b12bcad8778aa821f204f05d10"],"technology":"@aborruso/ckan-mcp-server","known_exclusions":[],"conditions_summary":"## Summary\n\nThe MCP Apps UI resource (an interactive DataStore table rendered in the host's webview/iframe) communicates with its parent via `postMessage`. Its inbound `message` listener performs no `event.origin` validation, and its outbound messages are sent with target origin `'*'`. Any window/frame able to reach the document can inject data into the table and interfere with the MCP UI handshake, and the UI's own JSON-RPC messages are broadcast without an origin restriction.\n\n## Affected code\n\n`src/resources/datastore-table-ui.ts` (inline HTML):\n\n```js\nwindow.addEventListener('message', function (event) {\n  var msg = event.data;                    // no check of event.origin\n  if (!msg || typeof msg !== 'object') return;\n  if (msg.id !== undefined && _pending[msg.id]) { ... resolve/reject pending MCP request ... }\n  ...\n  if (data && (data.fields || data.records)) initTable(data);   // renders attacker-supplied data\n});\n\n// outbound:\nwindow.parent.postMessage({ jsonrpc: '2.0', id: id, method: method, params: params || {} }, '*');\nmcpNot: window.parent.postMessage({ jsonrpc:'2.0', method:method, params:params||{} }, '*');\n```\n\nThere is no allowlist of accepted origins for inbound","public_affected_ranges":["< 0.4.112"]}],"null_published_at":"2026-11-01T01:03:56.610Z","source_updated_at":"2026-10-16T19:24:46.000Z","source_disclosed_at":"2026-10-16T19:23:48.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T23:14:14.588Z"}],"next_cursor":null,"snapshot_revision":"42594"}