CVE-2026-110853

7.1 Élevée

Publiée le 15/10/2026 à 01:17 · Modifiée le 16/10/2026 à 20:17 · Analyse NVD reportée · Source : disclosure@vulncheck.com

Description

n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

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Produits concernés

n8n-io n8n

Scores CVSS

Version	Score	Source	Vecteur
4.0	7.1 Élevée	disclosure@vulncheck.com	`CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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`

Faiblesses (CWE)

CWE-639

Références

https://github.com/n8n-io/n8n/security/advisories/GHSA-866p-xg8v-g2q7
https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories