CVE Watch8 sept 2026

CVE-2026-86073

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.1, the OAuth token endpoint bound an authorization code's first

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 8 sept 2026 · Última mod.: 8 sept 2026 · CWE-863

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.1, the OAuth token endpoint bound an authorization code's first access token to the consented resource but did not bind its refresh token. Refreshing checked only that the requested resource was registered, not that it matched the original grant. An OAuth client approved for one workflow could substitute a different workflow URL in the resource parameter and obtain a valid token for an unapproved workflow accessible to the consenting user. This issue is fixed in versions 2.37.7 and 2.38.1.

Referencias oficiales

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