n8n: Unauthenticated Persistent Storage Exhaustion via OAuth Dynamic Client Registration Endpoint

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-86075 · CVE overview and exploitation status

EUVD-2026-74281

GHSA-hh89-3r9w-qj3j

cve-program · CVE-2026-86075

• https://github.com/n8n-io/n8n/security/advisories/GHSA-hh89-3r9w-qj3j
• https://github.com/n8n-io/n8n/releases/tag/[email protected]
• https://github.com/n8n-io/n8n/releases/tag/[email protected]

euvd · EUVD-2026-74281

• https://github.com/n8n-io/n8n/security/advisories/GHSA-hh89-3r9w-qj3j
• https://github.com/n8n-io/n8n/releases/tag/[email protected]
• https://github.com/n8n-io/n8n/releases/tag/[email protected]

nvd · CVE-2026-86075

• https://github.com/n8n-io/n8n/releases/tag/[email protected]
• https://github.com/n8n-io/n8n/releases/tag/[email protected]
• https://github.com/n8n-io/n8n/security/advisories/GHSA-hh89-3r9w-qj3j

osv · GHSA-hh89-3r9w-qj3j

• https://github.com/n8n-io/n8n/security/advisories/GHSA-hh89-3r9w-qj3j
• https://nvd.nist.gov/vuln/detail/CVE-2026-86075
• https://github.com/n8n-io/n8n
• https://github.com/n8n-io/n8n/releases/tag/[email protected]
• https://github.com/n8n-io/n8n/releases/tag/[email protected]

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