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CVE-2026-85170
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): High (H)
- Vulnerable System Impact Integrity (VI): None (N)
- Vulnerable System Impact Availability (VA): None (N)
- Subsequent System Impact Confidentiality (SC): Low (L)
- 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): High (H)
- Modified Vulnerable System Impact Integrity (MVI): None (N)
- Modified Vulnerable System Impact Availability (MVA): None (N)
- Modified Subsequent System Impact Confidentiality (MSC): Low (L)
- 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 1.123.73 Local File Read and SSRF via Gmail and Brevo nodes
n8n versions before 1.123.73, 2.35.4, and 2.36.2 pass message content in the Gmail (v1) and Brevo nodes to the mail composer without verifying it is a string. An authenticated user able to run a workflow can supply an expression that resolves to an object carrying a path or href property, causing the composer to read a local file accessible to the n8n process or fetch an internal URL (SSRF) and attach the result to the outgoing message.
References
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GitHub Security Advisory (GHSA-95ph-833c-4wrp) vendor-advisory
Affected products
n8n
- ==1.123.73
- ==2.36.2
- <2.35.4
- ==2.35.4
- <2.36.2
- <1.123.73
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
-
@AdrienLemaire Adrien Lemaire <lemaire.adrien@gmail.com>
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@sweenu sweenu <contact@sweenu.xyz>
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@gepbird Gutyina Gergő <gutyina.gergo.2@gmail.com>
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@vitorpavani Vitor Pavan <vipavani@hotmail.com>