CVE-2026-92588

n8n before 1.123.76 Improper Authorization via Source Control Push

MEDIUM
4.4
CVSS Score
Published: September 16, 2026 at 09:46 PM UTC
Updated: October 29, 2026 at 09:17 PM UTC
2 products affected across 2 vendorsN8NN8N

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

n8n is a workflow automation platform. In n8n versions before 1.123.76, 2.37.7, and 2.38.2, the source control push endpoint derived the set of files to push from the file paths and status supplied in the client request payload instead of from the server-side status computed for the requesting user. An authenticated project-scoped user (e.g., a project admin) could therefore reference files belonging to projects they have no access to and push a deletion of those projects' workflows and credentials, resulting in cross-project data destruction. Exploitation requires the Source Control (Environments) enterprise feature to be licensed, enabled, and connected to a remote repository. The issue is fixed in 1.123.76, 2.37.7, and 2.38.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 1.123.76v < 2.37.7v < 2.38.2
Affected range stops below 1.123.76, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.37.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.38.2, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 1.123.76 (unaffected)
Vendor states this is fixed in 2.37.7 (unaffected)
Vendor states this is fixed in 2.38.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-639

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