CVE-2026-54566 Markdown Preview Enhanced: Remote Code Execution via VM Sandbox Escape in `.crossnote/config.js` and `.crossnote/parser.js`

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

EUVD-2026-101582

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

CVE-2026-54566 Markdown Preview Enhanced: Remote Code Execution via VM Sandbox Escape in `.crossnote/config.js` and `.crossnote/parser.js`

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

CVE-2026-54566

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

CVE-2026-54566 Markdown Preview Enhanced: Remote Code Execution via VM Sandbox Escape in `.crossnote/config.js` and `.crossnote/parser.js`

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

CVE-2026-54566

The Markdown Preview Enhanced extension for Visual Studio Code is vulnerable to Remote Code Execution (RCE) in versions prior to 0.8.29 . The root cause is the use of vm.runInNewContext to evaluate repository-controlled .crossnote/config.js and .crossnote/parser.js files, which fails to provide a...

CVE-2026-54525

The Markdown Preview Enhanced extension for Visual Studio Code is vulnerable to OS Command Injection prior to version 0.8.28 . The root cause is the improper neutralization of special elements in the preview-link handling logic, where a decoded, Markdown-controlled link target is passed to a Wind...

CVE-2026-54525 Markdown Preview Enhanced: One Click RCE via Markdown Link Command Injection on Windows

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.28, Markdown Preview Enhanced preview-link handling passes a decoded, Markdown-controlled link target to a Windows file-opening helper that invokes childprocess.exec with the start command. When a Windo...

CVE-2026-54525 Markdown Preview Enhanced: One Click RCE via Markdown Link Command Injection on Windows

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.28, Markdown Preview Enhanced preview-link handling passes a decoded, Markdown-controlled link target to a Windows file-opening helper that invokes childprocess.exec with the start command. When a Windo...

PT-2026-114203

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

PT-2026-114204

Name of the Vulnerable Software and Affected Versions Markdown Preview Enhanced versions prior to 0.8.30 Description This extension for Visual Studio Code reads content from the .crossnote/head.html file within a repository and processes it through the resolvePathsInHeader function before inserti...

CVE-2026-54703: External Control of File Name or Path

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.30, the crossnote.updateMarkdown command in Markdown Preview Enhanced accepts an arbitrary URI and attacker-controlled content, then passes them to vscode.workspace.fs.writeFile without validating that...

CVE-2026-54702: Exposed Dangerous Method or Function

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.30, the webview message handler in src/preview-provider.ts accepts an attacker-controlled command value and attacker-controlled args, constructs a command in the crossnote namespace, and invokes...

CVE-2026-54566: Improper Control of Generation of Code

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.29, Markdown Preview Enhanced evaluates repository-controlled .crossnote/config.js and .crossnote/parser.js files with vm.runInNewContext, which does not provide a security boundary from the Node.js hos...

CVE-2026-54525: Improper Neutralization of Special Elements used in an OS Command

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.28, Markdown Preview Enhanced preview-link handling passes a decoded, Markdown-controlled link target to a Windows file-opening helper that invokes childprocess.exec with the start command. When a Windo...

CVE-2026-54701: Improper Neutralization of Input During Web Page Generation

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.30, Markdown Preview Enhanced reads repository-controlled .crossnote/head.html content and passes it through resolvePathsInHeader before inserting it into the head of the preview webview document withou...

CVE-2026-110849: Improper Neutralization of Input During Web Page Generation

n8n before 1.123.83, 2.41.4, and 2.42.1 contains a stored cross-site scripting vulnerability in the file-preview modal, which re-publishes binary data as an unsandboxed same-origin blob URL. A member who uploads a crafted item can run script in the n8n origin of whoever previews it, typically the...

Critical: Red Hat Security Advisory: Red Hat AI Inference Tech Preview 3.5.2 (Gaudi)

Red Hat AI Inference Tech Preview 3.5.2 Gaudi is now available. Red Hat AI Inference Tech Preview...

CVE-2026-109562

SnapOtter 1.15.10 through 2.2.0 contains a missing authorization vulnerability that allows any authenticated principal to call the /api/v1/upload, /api/v1/preview and /api/v1/preview/generate handlers without permission checks. Attackers holding even a settings:read-scoped API key can stage...

CVE-2026-109562 SnapOtter 1.15.10 through 2.2.0 Missing Authorization via Upload and Preview API

SnapOtter 1.15.10 through 2.2.0 contains a missing authorization vulnerability that allows any authenticated principal to call the /api/v1/upload, /api/v1/preview and /api/v1/preview/generate handlers without permission checks. Attackers holding even a settings:read-scoped API key can stage...