A workflow automation platform that allows users to create, automate, and integrate workflows between different services and applications through a visual interface, supporting both cloud-hosted and self-hosted deployments.

n8n is an open source workflow automation platform. Versions below 1.121.0 enable an attacker to access files on the underlying server through execution of certain form-based workflows. A vulnerable workflow could grant access to an unauthenticated remote attacker, resulting in exposure of sensitive information stored on the system and may enable further compromise depending on deployment configuration and workflow usage. This issue is fixed in version 1.121.0.

CVE-2026-21858

GitHub Advisory Database

NixOS is a Linux distribution built on top of the Nix package manager. It is completely declarative, its system configurations are reproducible, makes configuration changes reliable and atomic, and eliminates configuration drift.

NixOS

n8n is an open source workflow automation platform. Prior to version 2.0.0, in self-hosted n8n instances where the Code node runs in legacy (non-task-runner) JavaScript execution mode, authenticated users with workflow editing access can invoke internal helper functions from within the Code node. This allows a workflow editor to perform actions on the n8n host with the same privileges as the n8n process, including: reading files from the host filesystem (subject to any file-access restrictions configured on the instance and OS/container permissions), and writing files to the host filesystem (subject to the same restrictions). This issue has been patched in version 2.0.0. Workarounds for this issue involve limiting file operations by setting N8N_RESTRICT_FILE_ACCESS_TO to a dedicated directory (e.g., ~/.n8n-files) and ensure it contains no sensitive data, keeping N8N_BLOCK_FILE_ACCESS_TO_N8N_FILES=true (default) to block access to .n8n and user-defined config files, and disabling high-risk nodes (including the Code node) using NODES_EXCLUDE if workflow editors are not fully trusted.

CVE-2025-68697

n8n is an open source workflow automation platform. From version 1.0.0 to before 2.0.0, a sandbox bypass vulnerability exists in the Python Code Node that uses Pyodide. An authenticated user with permission to create or modify workflows can exploit this vulnerability to execute arbitrary commands on the host system running n8n, using the same privileges as the n8n process. This issue has been patched in version 2.0.0. Workarounds for this issue involve disabling the Code Node by setting the environment variable NODES_EXCLUDE: "[\"n8n-nodes-base.code\"]", disabling Python support in the Code node by setting the environment variable N8N_PYTHON_ENABLED=false, which was introduced in n8n version 1.104.0, and configuring n8n to use the task runner based Python sandbox via the N8N_RUNNERS_ENABLED and N8N_NATIVE_PYTHON_RUNNER environment variables.

CVE-2025-68668

JavaScript is a high-level, interpreted programming language essential for creating interactive web applications, running directly in web browsers to enable dynamic content and user interface enhancements. It is integral to the web development stack, working seamlessly with HTML and CSS to build responsive and feature-rich websites.

JavaScript

Chainguard is a Linux distribution based on Alpine. It's the commercial version of the Wolfi distro.

Chainguard

LangChain is a framework for building LLM-powered applications. Prior to @langchain/core versions 0.3.80 and 1.1.8, and prior to langchain versions 0.3.37 and 1.2.3, a serialization injection vulnerability exists in LangChain JS's toJSON() method (and subsequently when string-ifying objects using JSON.stringify(). The method did not escape objects with 'lc' keys when serializing free-form data in kwargs. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data contains this key structure, it is treated as a legitimate LangChain object during deserialization rather than plain user data. This issue has been patched in @langchain/core versions 0.3.80 and 1.1.8, and langchain versions 0.3.37 and 1.2.3

CVE-2025-68665

Python is a high-level, general-purpose programming language. Its key feature is the high readability of the code. It supports multiple programming paradigms, including Object-Oriented Programming (OOP) and Functional Programming.

Python

LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps() and dumpd() functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data contains this key structure, it is treated as a legitimate LangChain object during deserialization rather than plain user data. This issue has been patched in versions 0.3.81 and 1.2.5.

CVE-2025-68664

WordPress is a content management system paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system, referred to within WordPress as Themes.

WordPress

The Jeg Elementor Kit plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 3.0.1 due to insufficient input sanitization in the countdown widget's redirect functionality. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary JavaScript that will execute when an administrator or other user views the page containing the malicious countdown element.

CVE-2025-14275

The Folders – Unlimited Folders to Organize Media Library Folder, Pages, Posts, File Manager plugin for WordPress is vulnerable to Unauthorized Arbitrary Media Replacement in all versions up to, and including, 3.1.5. This is due to missing object-level authorization checks in the handle_folders_file_upload() function. This makes it possible for authenticated attackers, with Author-level access and above, to replace arbitrary media files from the WordPress Media Library.

CVE-2025-12640

Bokeh is an interactive visualization library written in Python. In versions 3.8.1 and below, if a server is configured with an allowlist (e.g., dashboard.corp), an attacker can register a domain like dashboard.corp.attacker.com (or use a subdomain if applicable) and lure a victim to visit it. The malicious site can then initiate a WebSocket connection to the vulnerable Bokeh server. Since the Origin header (e.g., http://dashboard.corp.attacker.com/) matches the allowlist according to the flawed logic, the connection is accepted. Once connected, the attacker can interact with the Bokeh server on behalf of the victim, potentially accessing sensitive data, or modifying visualizations. This issue is fixed in version 3.8.2.

CVE-2026-21883

n8n is an open source workflow automation platform. In versions 0.121.2 and below, an authenticated attacker may be able to execute malicious code using the n8n service. This could result in full compromise and can impact both self-hosted and n8n Cloud instances. This issue is fixed in version 1.121.3. Administrators can reduce exposure by disabling the Git node and limiting access for untrusted users, but upgrading to the latest version is recommended.

CVE-2026-21877

Mailpit is an email testing tool and API for developers. Versions 1.28.0 and below have a Server-Side Request Forgery (SSRF) vulnerability in the /proxy endpoint, allowing attackers to make requests to internal network resources. The /proxy endpoint validates http:// and https:// schemes, but it does not block internal IP addresses, enabling attackers to access internal services and APIs. This vulnerability is limited to HTTP GET requests with minimal headers. The issue is fixed in version 1.28.1.

CVE-Kennung	Strenge	Punktzahl	Technologieen	Name der Komponente	CISA KEV-Exploit	Hat fix	Veröffentlichungsdatum
CVE-2026-21858	CRITICAL	10	n8n	n8n	Nein	Ja	Jan 08, 2026
CVE-2025-68697	MEDIUM	5.4	NixOS	n8n	Nein	Ja	Dec 26, 2025
CVE-2025-68668	CRITICAL	9.9	NixOS	n8n	Nein	Ja	Dec 26, 2025
CVE-2025-68665	HIGH	8.6	JavaScript	langchain	Nein	Ja	Dec 23, 2025
CVE-2025-68664	CRITICAL	9.3	Python	langchain-core	Nein	Ja	Dec 23, 2025

CVE-Kennung	Strenge	Punktzahl	Technologieen	Name der Komponente	CISA KEV-Exploit	Hat fix	Veröffentlichungsdatum
CVE-2025-14275	MEDIUM	6.4	WordPress	jeg-elementor-kit	Nein	Ja	Jan 08, 2026
CVE-2025-12640	MEDIUM	4.3	WordPress	folders	Nein	Ja	Jan 08, 2026
CVE-2026-21883	MEDIUM	4.5	Python	bokeh	Nein	Ja	Jan 08, 2026
CVE-2026-21877	CRITICAL	9.9	n8n	n8n	Nein	Ja	Jan 08, 2026
CVE-2026-21859	MEDIUM	5.8	N/A	github.com/axllent/mailpit	Nein	Ja	Jan 08, 2026

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