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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, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype process-wide for the lifetime of the n8n server process, causing application-wide validation failures and rendering the n8n instance completely non-functional until restarted. This vulnerability is fixed in 2.24.0.

CVE-2026-54312 describes a prototype pollution vulnerability in the open source workflow automation platform n8n. Specifically, before version 2.24.0, an authenticated user with workflow modification permissions could exploit the Microsoft SQL node by providing a malicious table parameter. This leads to global pollution of Object.prototype for the lifetime of the n8n server process, causing widespread validation failures and making the application unusable until a restart occurs. The vulnerability is classified under CWE-1321 and has a CVSS 4.0 base score of 7.2, indicating high severity. The vulnerability is resolved in n8n version 2.24.0.

Detailed information about CVE-2026-54312: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in n8n-io n8n aff

CVE-2026-54312: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in n8n-io n8n - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-54312: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') 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-2026-54312: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in n8n-io n8nCVE-2026-54312 0 n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype process-wide for the lifetime of the n8n server process, causing application-wide validation failures and rendering the n8n instance completely non-functional until restarted. This vulnerability is fixed in 2.24.0. HighVulnerability#cve #cve-2026-54312 #cwe-1321 Join the discussion	CVE Database V5	06/23/2026, 15:33:10 UTC Added: 06/23/2026, 16:09:20 UTC

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