{"id":"CVE-2026-118649","revision":null,"records":[{"revision":"c3c02b568f9a4925baf9ba364c90e767","observedAt":"2026-10-29T21:48:56.968+00:00","statement":{"source":"cve-program","id":"CVE-2026-118649","aliases":[],"title":"n8n before 2.43.5 and 2.44.1 Authorization Bypass via Crafted Workflow ID in Data Tables","description":"n8n before 2.43.5 and 2.44.x before 2.44.1 accepts a client-supplied workflow ID and caches each workflow's owner project in memory by that ID, so a crafted ID such as __proto__ makes the Data Table project check match every project. An authenticated member who can create and run workflows can list, read, modify, and delete Data Table rows in all projects of the instance.","state":0,"publishedAt":"2026-10-28T18:59:47.664+00:00","modifiedAt":"2026-10-29T20:54:35.672+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.44.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.44.1\"\n                        },\n                        {\n                            \"version\": \"2.44.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.43.5\"\n                        },\n                        {\n                            \"version\": \"2.43.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","score":8.3,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-wvjj-qg37-pv73","https://www.vulncheck.com/advisories/n8n-before-2.43.5-and-2.44.1-authorization-bypass-via-crafted-workflow-id-in-data-tables"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118649","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118649","identifiers":["CVE-2026-118649"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-b8d16fbf74464bc88a41c5137fa81682","complete":false,"records":13623,"lastAttemptAt":"2026-11-07T02:46:32.0890109+00:00","lastSuccessAt":"2026-11-07T02:46:32.084+00:00","error":"11 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-07T02:46:32.084+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13674,"expectedIdentifiers":13685,"failedIdentifiers":11},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-07T02:34:43.7661215+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-07T02:34:43.7661215+00:00","lastSuccessAt":"2026-11-07T02:34:43.9397262+00:00","error":null,"lastVerifiedAt":"2026-11-07T02:34:43.9397266+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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