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CVE-2026-103255

n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal and Query Injection via Supabase PUBLISHED

Description (CNA)

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in the Supabase node where the tableId parameter is inserted into request paths without validation. Attackers can exploit workflows binding tableId to untrusted input to traverse to Auth and Storage APIs using the administrative serviceRole key, bypassing Row Level Security and enabling unauthorized data access and modification.

Affected (CNA)

Vendor / productVersions
n8n-io / n8naffected 0 before 1.123.80; affected 2.0.0 before 2.39.6; affected 2.40.0 before 2.40.1

CWE

CWE-73

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.