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A critical remote code execution (RCE) vulnerability, tracked as CVE-2025-65964, has been identified in the workflow automation tool n8n. The flaw allows attackers to achieve RCE by manipulating the Git node's custom pre-commit hook configuration, potentially enabling unauthorized access and control over affected systems. Security advisories highlight the severity of this issue, with a CVSS 4.0 score of 9.4, categorizing it as critical and emphasizing the urgent need for remediation.
The vulnerability exposes organizations using n8n to significant risk, as exploitation could lead to full system compromise. Administrators are strongly advised to review their deployments, apply available patches, and monitor for any signs of unauthorized activity related to Git node configurations. No evidence of active exploitation has been reported as of the latest advisories, but the technical nature of the flaw and its critical rating warrant immediate attention from security teams.
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A critical remote code execution vulnerability, CVE-2025-65964, was disclosed in n8n. The flaw affects the Git node's custom pre-commit hook or configuration handling and could allow attackers to execute arbitrary code on affected systems.
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n8n disclosed multiple high-severity vulnerabilities affecting the workflow automation platform, including an authentication bypass, security restrictions bypass, arbitrary file read and write, denial of service, and a **remote code execution** flaw in the Git node. The issues affect `1.x` versions before `1.123.67`, `2.x` before `2.31.5`, and `2.32.x` before `2.32.1`, with exposure spanning both self-hosted and cloud deployments. The Git node vulnerability allows an authenticated user with permission to create and run workflows to prepare a crafted local repository that triggers Git hooks under default Git security settings, leading to arbitrary command execution as the n8n process user. Italy's national CSIRT said the vendor has published security guidance and urged organizations running affected versions to apply the recommended mitigations and updates.
Aug 11, 2026
A critical remote code execution (RCE) vulnerability, identified as CVE-2026-21877 and rated CVSS 10.0, was disclosed in the open-source workflow automation platform n8n. The flaw allows authenticated users to execute arbitrary code on affected instances, potentially leading to full system compromise. Both self-hosted and n8n Cloud deployments are impacted, specifically versions from 0.123.0 up to but not including 1.121.3. The vulnerability was discovered by security researcher Théo Lelasseux and has been addressed in version 1.121.3, released in November 2025. Administrators are strongly advised to upgrade immediately or, if patching is not possible, to disable the Git node and restrict access for untrusted users to mitigate risk. The disclosure follows a series of critical vulnerabilities in n8n, highlighting ongoing security challenges for the platform. The Canadian Centre for Cyber Security and other sources have issued advisories urging prompt action to apply the necessary updates. The vulnerability underscores the importance of timely patch management and access control for workflow automation tools, especially those exposed to untrusted users or the internet.
Jun 29, 2026
A **critical remote code execution** issue in the *n8n* open-source workflow automation platform, tracked as **CVE-2026-25049** (also published as **GHSA-6cqr-8cfr-67f8**), allows an **authenticated** user with permission to create or modify workflows to escape n8n’s expression sandbox and execute arbitrary system commands on the underlying host. The flaw stems from **insufficient input sanitization/weak sandboxing** in n8n’s expression evaluation (server-side JavaScript) and was identified during follow-up analysis after an earlier critical n8n vulnerability (**CVE-2025-68613**) was patched; researchers report the new issue effectively **bypasses prior mitigations**. Reporting indicates exploitation can lead to **full compromise** of the n8n instance, including access to the filesystem and the ability to **steal stored credentials and secrets** (e.g., API keys, OAuth tokens) and sensitive configuration, with potential for **pivoting** into connected internal services and cloud accounts in multi-tenant deployments. Public reporting also notes **public exploits** are available. n8n maintainers state the issue is patched, and affected organizations should upgrade to fixed releases (**1.123.17** and **2.5.2**), as versions **prior to 1.123.17 and 2.5.2** are impacted.
Jun 29, 2026