{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-44789: n8n: HTTP Request Node Pagination Prototype Pollution to RCE","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-44789","status":"final","version":"1","initial_release_date":"2026-06-23T15:52:45.321Z","current_release_date":"2026-06-23T15:52:45.321Z","revision_history":[{"date":"2026-06-23T15:52:45.321Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-44789 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-44789"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-44789"},{"category":"external","summary":"https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h","url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h"}]},"product_tree":{"branches":[{"category":"vendor","name":"n8n-io","branches":[{"category":"product_name","name":"n8n","branches":[{"category":"product_version","name":"< 1.123.43","product":{"name":"n8n-io n8n < 1.123.43","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:n8n-io:n8n:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":">= 2.0.0-rc.0, < 2.20.7","product":{"name":"n8n-io n8n >= 2.0.0-rc.0, < 2.20.7","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:n8n-io:n8n:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":">= 2.21.0, < 2.21.1","product":{"name":"n8n-io n8n >= 2.21.0, < 2.21.1","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:n8n-io:n8n:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-44789","title":"n8n: HTTP Request Node Pagination Prototype Pollution to RCE","notes":[{"category":"description","text":"n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","baseScore":9.4,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}]}]}