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CVE-2026-72749
7.1 HIGH
- CVSS version (CVSS): 4.0
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Attack Requirement (AT): None (N)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Vulnerable System Impact Confidentiality (VC): None (N)
- Vulnerable System Impact Integrity (VI): None (N)
- Vulnerable System Impact Availability (VA): High (H)
- Subsequent System Impact Confidentiality (SC): None (N)
- Subsequent System Impact Integrity (SI): None (N)
- Subsequent System Impact Availability (SA): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Attack Requirement (MAT): None (N)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Vulnerable System Impact Confidentiality (MVC): None (N)
- Modified Vulnerable System Impact Integrity (MVI): None (N)
- Modified Vulnerable System Impact Availability (MVA): High (H)
- Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
- Modified Subsequent System Impact Integrity (MSI): Negligible (N)
- Modified Subsequent System Impact Availability (MSA): Negligible (N)
- Safety (S): Not Defined (X)
- Automatable (AU): Not Defined (X)
- Recovery (R): Not Defined (X)
- Value Density (V): Not Defined (X)
- Vulnerability Response Effort (RE): Not Defined (X)
- Provider Urgency (U): Not Defined (X)
- Confidentiality Req. (CR): Not Defined (X)
- Integrity Req. (IR): Not Defined (X)
- Availability Req. (AR): Not Defined (X)
- Exploit Maturity (E): Not Defined (X)
Activity log
- Created suggestion
n8n before 1.123.67 Prototype Pollution via Edit Fields
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.
References
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GitHub Security Advisory (GHSA-xwx6-jjhv-84p8) vendor-advisory
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VulnCheck Advisory: n8n before 1.123.67 Prototype Pollution via Edit Fields third-party-advisory
Affected products
n8n
- <1.123.67
- <2.32.1
- <2.31.5
- ==2.31.5
- ==2.32.1
- ==1.123.67
Matching in nixpkgs
pkgs.n8n
Free and source-available fair-code licensed workflow automation tool
pkgs.n8n-nodes-carbonejs
n8n community node for rendering Word templates using Carbone.js
pkgs.n8n-nodes-evolution-api
Evolution API hub for WhatsApp integration with n8n
Package maintainers
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@AdrienLemaire Adrien Lemaire <lemaire.adrien@gmail.com>
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@gepbird Gutyina Gergő <gutyina.gergo.2@gmail.com>
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@sweenu sweenu <contact@sweenu.xyz>
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@vitorpavani Vitor Pavan <vipavani@hotmail.com>