{"id":"CVE-2026-72749","aliases":[],"cve":{"records":[{"id":"CVE-2026-72749","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-08-10T13:53:42.482Z","published":"2026-08-11T12:17:02.774Z","modified":"2026-10-29T21:16:34.851Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T21:16:34.851Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-08-11T17:50:40.766Z"}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-xwx6-jjhv-84p8","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/n8n-before-prototype-pollution-via-edit-fields","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-1321","description":"Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"1.123.67"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2.32.1","versionStartIncluding":"2.32.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2.31.5","versionStartIncluding":"2.0.0-rc.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-08-11T17:41:04.589878Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"n8n before 1.123.67 Prototype Pollution via Edit Fields","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"n8n before 1.123.67, 2.31.5, and 2.32.1 contains a prototype pollution vulnerability in the Edit Fields (Set) node. The node assigns output fields via a dot-notation path setter without restricting the field name, allowing an authenticated user to name a field after an inherited built-in method path and corrupt a shared global in the main Node.js process. Because that global is used on the request-authentication path, the instance then fails every authenticated request, causing an instance-wide denial of service for all users until the process is restarted.","score":7.1,"severity":"high","published":"2026-08-11T12:17:02.774Z","modified":"2026-10-29T21:16:34.851Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.123.67","versionType":"semver"},{"version":"1.123.67","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-72749"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.32.0","status":"affected","lessThan":"2.32.1","versionType":"semver"},{"version":"2.32.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-72749"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.0.0-rc.0","status":"affected","lessThan":"2.31.5","versionType":"semver"},{"version":"2.31.5","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-72749"}],"remediation":[],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-xwx6-jjhv-84p8","https://www.vulncheck.com/advisories/n8n-before-prototype-pollution-via-edit-fields"],"sources":[{"name":"CVE","id":"CVE-2026-72749","modified":"2026-10-29T21:16:34.851Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-72749"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-29T21:58:18.329Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:25:31.829Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T22:30:31.089Z","attemptedAt":"2026-10-29T22:30:31.089Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T22:30:31.364Z","attemptedAt":"2026-10-29T22:30:31.364Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T22:30:31.089Z","attemptedAt":"2026-10-29T22:30:31.089Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T22:30:31.089Z","attemptedAt":"2026-10-29T22:30:31.089Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-72749","url":"https://www.first.org/epss/","probability":0.00573,"percentile":0.47273,"date":"2026-10-29","checkedAt":"2026-10-29T22:30:31.089Z"},{"source":"NVD","id":"CVE-2026-72749","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72749","modified":"2026-10-29T20:17:33.513","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T22:30:31.089Z"},{"source":"NVD","id":"CVE-2026-72749","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72749","modified":"2026-10-29T20:17:33.513","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T22:30:31.089Z"},{"source":"ENISA EUVD","id":"EUVD-2026-56139","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-56139","modified":"Oct 29, 2026, 9:16:34 PM","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-29T22:30:31.089Z"},{"source":"GitHub Advisory Database","id":"GHSA-vg34-hpfq-m5qm","url":"https://github.com/advisories/GHSA-vg34-hpfq-m5qm","modified":"2026-09-01T21:31:16Z","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T22:30:31.364Z"}],"aiSummary":{"text":"n8n before versions 1.123.67, 2.31.5, and 2.32.1 has a prototype pollution vulnerability in the Edit Fields node, allowing an authenticated user to corrupt a shared global, causing a denial of service. The vulnerability is due to the node assigning output fields without restricting the field name. This affects versions less than 1.123.67, between 2.0.0-rc.0 and 2.31.5, and between 2.32.0 and 2.32.1.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:29:38.939Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-72749"}]}}