EUVD-2026-74271
GHSA-cqr2-h44g-v75v
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/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
Network API, no special conditions (AC:L), requires role:manageProject privilege (PR:H), impact limited to partial confidentiality (member emails/names, C:L), no integrity or availability impact.
Primary rating from Vendor (github).
CVSS VectorVendor: github
Lifecycle Timeline
4DescriptionCVE.org
n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the /rest/roles/:slug/assignments and /rest/roles/:slug/assignments/:projectId/members endpoints checked only whether the caller could manage the role type. A caller with role:manageProject could name a project the caller could not list and obtain member names and email addresses. The affected controller is packages/cli/src/controllers/role.controller.ts, which omitted the project:list scope check. This issue is fixed in versions 2.37.7 and 2.38.2.
AnalysisAI
Missing authorization in n8n's role assignment API allows authenticated project managers to enumerate member names and email addresses from projects they lack permission to access. The /rest/roles/:slug/assignments and /rest/roles/:slug/assignments/:projectId/members endpoints in packages/cli/src/controllers/role.controller.ts verified only the role management permission (role:manageProject) but omitted the required project:list scope check, enabling cross-project member enumeration. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an active, authenticated session with the role:manageProject privilege assigned in n8n. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N/VC:L) and score of 5.1 accurately reflect the constrained real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade to n8n 2.37.7 (stable branch) or n8n 2.38.2 (prerelease branch). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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