| Summary | 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. |
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| Publication Date | June 24, 2026, 2:16 a.m. |
| Registration Date | June 27, 2026, 4:14 a.m. |
| Last Update | June 25, 2026, 12:16 a.m. |
| CVSS3.1 : CRITICAL | |
| スコア | 9.9 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 低 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更あり |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* | 1.123.43 | ||||
| cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* | 2.0.0 | 2.20.7 | |||
| cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* | 2.21.0 | 2.22.1 | |||