EUVD-2026-74269
GHSA-65xw-2v52-jhxc
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/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
Networked authenticated access (AV:N, PR:L); scope changed because cross-user workflow metadata is disclosed; confidentiality limited to IDs and error strings, not payloads.
Primary rating from Vendor (github).
CVSS VectorVendor: github
Lifecycle Timeline
4DescriptionCVE.org
n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the /rest/active-workflows endpoint returned every active workflow ID on the instance to any member regardless of sharing. Workflow activation, deactivation, and publication push events were also broadcast to clients that could not access the affected workflow, disclosing workflow IDs, version IDs, and activation error details. The affected paths include packages/cli/src/services/active-workflows.service.ts and packages/cli/src/workflows/workflow-push-notifier.service.ts. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.
AnalysisAI
Missing authorization controls in n8n's workflow REST API expose all active workflow IDs, version IDs, and activation error details to any authenticated instance member, regardless of workflow sharing permissions. The flaw spans two surfaces: the /rest/active-workflows endpoint and the real-time push notification service (workflow-push-notifier.service.ts), which broadcasts workflow lifecycle events to clients without per-resource access checks. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated session as any 'member'-role account on the target n8n instance - no administrative or elevated privileges are needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.3 accurately characterizes this as a medium-severity information disclosure. … 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 | Upgrade to n8n 1.123.76 (v1 branch), 2.37.7, or 2.38.2 (v2 branch) as appropriate for the deployment. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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