CVE-2026-27496

CVE-2026-27496 (n8n) affects the open-source workflow automation platform n8n prior to versions 1.123.22, 2.9.3, and 2.10.1. An authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers, which may contain residua...

CVE-2026-27496 n8n has In-Process Memory Disclosure in its Task Runner

n8n is an open source workflow automation platform. Prior to versions 1.123.22, 2.9.3, and 2.10.1, an authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data fro...

CVE-2026-27496

n8n is an open source workflow automation platform. Prior to versions 1.123.22, 2.9.3, and 2.10.1, an authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data fro...

n8n has In-Process Memory Disclosure in its Task Runner

Impact An authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data from the same Node.js process — including data from prior requests, tasks, secrets, or tokens —...

GHSA-XVH5-5QG4-X9QP n8n has In-Process Memory Disclosure in its Task Runner

Impact An authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data from the same Node.js process — including data from prior requests, tasks, secrets, or tokens —...

Use of Uninitialized Resource

Overview Affected versions of this package are vulnerable to Use of Uninitialized Resource via 'js-task-runner.ts'. An attacker can expose residual data from the Node.js process, including secrets or tokens, by creating or modifying workflows that allocate uninitialized buffers when Task Runners...

EUVD-2026-15938

n8n has In-Process Memory Disclosure in its Task Runner...

n8n security vulnerabilities

n8n is an open-source, scalable workflow automation tool developed by n8n. Versions of n8n prior to 1.123.22, 2.9.3, and 2.10.1 contained security vulnerabilities. These vulnerabilities stemmed from the JavaScript Task Runner’s ability to allocate uninitialized memory buffers, which could lead to...

PT-2026-28072

n8n is an open source workflow automation platform. Prior to versions 1.123.22, 2.9.3, and 2.10.1, an authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data fro...

CVE-2026-27496: Use of Uninitialized Resource

n8n is an open source workflow automation platform. Prior to versions 1.123.22, 2.9.3, and 2.10.1, an authenticated user with permission to create or modify workflows could use the JavaScript Task Runner to allocate uninitialized memory buffers. Uninitialized buffers may contain residual data fro...

CVE-2026-27495

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On...

CVE-2026-27495 n8n has a Sandbox Escape in its JavaScript Task Runner

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On...

CVE-2026-27495

CVE-2026-27495 affects n8n, an open-source workflow automation platform. Before versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandb...

CVE-2026-27495 n8n has a Sandbox Escape in its JavaScript Task Runner

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On...

CVE-2026-27495 n8n has a Sandbox Escape in its JavaScript Task Runner

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On...

CVE-2026-27495

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On...

n8n has a Sandbox Escape in its JavaScript Task Runner

Impact An authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On instances using internal Task Runners default runner mode, this could result in full compromise...

EUVD-2026-8758

n8n has a Sandbox Escape in its JavaScript Task Runner...

GHSA-JJPJ-P2WH-QF23 n8n has a Sandbox Escape in its JavaScript Task Runner

Impact An authenticated user with permission to create or modify workflows could exploit a vulnerability in the JavaScript Task Runner sandbox to execute arbitrary code outside the sandbox boundary. On instances using internal Task Runners default runner mode, this could result in full compromise...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection. An attacker can execute arbitrary code outside the intended sandbox boundary by creating or modifying workflows after authenticating with sufficient permissions. Workaround This vulnerability can be mitigated b...