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Cross-tenant workflow backup access control bypass in n8n-mcp <= 2.56.0 (CVE-2026-5452)

github.com 2026-07-16 查看中文 →
Security Advisory CVE-2026-5452 Critical n8n
Affected:
  • n8n-mcp <= 2.56.0
Fixed in:
  • 2.56.1
Referenced CVEs: CVE-2026-54052 · 9.9
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