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n8n heeft meerdere kwetsbaarheden verholpen in het n8n workflow automation platform, specifiek in versies voor 1.123.55, 2.24.0, 2.25.7, 2.26.1 en 2.26.2.

CVE-2026-54301 is a CWE-79 cross-site scripting vulnerability in the n8n workflow automation platform. It affects versions prior to 1.123.55, 2.25.7, and 2.26.2. The issue arises because an authenticated user with workflow edit permissions can configure a Respond to Webhook node to serve binary content with a malicious Content-Type header. This binary response path bypasses the central Content-Security-Policy sandbox header, enabling execution of attacker-controlled JavaScript in the context of the n8n origin when visited by an authenticated user. This can lead to session exposure or other impacts tied to script execution within the user's session context. The vulnerability has a CVSS v4.0 score of 7.0 (high severity) and requires user interaction and low privileges to exploit.

Detailed information about n8n: Mehrere Schwachstellen affecting Bundesamt für Sicherheit in der Informationstechnik n8n. Get real-time updates, technical detai

n8n: Mehrere Schwachstellen - Live Threat Intelligence - Threat Radar | OffSeq.com

Reference

Kwetsbaarheden verholpen in n8n workflow automation platform

n8n is an open source workflow automation platform. Prior to 2.24.0, the Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a small compressed archive to a public webhook workflow using this node, causing the n8n process to terminate due to memory exhaustion and disrupting all workflows in the same instance. This vulnerability is fixed in 2.24.0.

CVE-2026-54314 describes a vulnerability in n8n (an open source workflow automation platform) versions before 2.24.0. The Compression node's Decompress operation does not enforce limits on the size of decompressed data, allowing an attacker to send a crafted compressed archive that expands to a large size in memory. This can cause memory exhaustion and crash the n8n process, resulting in denial of service for all workflows running in the same instance. The vulnerability is classified under CWE-409 (Improper Handling of Highly Compressed Data).

Detailed information about CVE-2026-54314: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) in n8n-io n8n affecting n8n-io n8n. Get rea

CVE-2026-54314: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) in n8n-io n8n - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-54314: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) in n8n-io n8n


Kwetsbaarheden verholpen in n8n workflow automation platformCVE-2026-54301 0 n8n heeft meerdere kwetsbaarheden verholpen in het n8n workflow automation platform, specifiek in versies voor 1.123.55, 2.24.0, 2.25.7, 2.26.1 en 2.26.2. HighVulnerability#gcve #csaf #cve-2026-54301 Join the discussion	GCVE Database	06/29/2026, 08:02:42 UTC Added: 06/17/2026, 16:49:06 UTC
CVE-2026-54314: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) in n8n-io n8nCVE-2026-54314 0 n8n is an open source workflow automation platform. Prior to 2.24.0, the Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a small compressed archive to a public webhook workflow using this node, causing the n8n process to terminate due to memory exhaustion and disrupting all workflows in the same instance. This vulnerability is fixed in 2.24.0. MediumVulnerability#cve #cve-2026-54314 #cwe-409 Join the discussion	CVE Database V5	06/23/2026, 15:33:52 UTC Added: 06/23/2026, 16:09:21 UTC

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