CVE Watch20 ago 2026

CVE-2026-77076

n8n versions before 1.123.69, 2.33.4, and 2.34.1 contain an information disclosure vulnerability in the GraphQL node. When a GraphQL request

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: 20 ago 2026 · Última mod.: 20 ago 2026 · CWE-209

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

n8n versions before 1.123.69, 2.33.4, and 2.34.1 contain an information disclosure vulnerability in the GraphQL node. When a GraphQL request fails at the connection level, the node re-throws the underlying HTTP client error unchanged instead of wrapping it in n8n's standard error type. That error contains the live request's headers, including a decrypted credential secret, which the execution engine persists verbatim. Any authenticated user able to read the resulting execution can retrieve the decrypted credential secret from the stored run data.

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