Open VSX Marketplace — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 2, 2026
Last Seen
April 27, 2026

Open VSX Marketplace is a community-driven, open-source marketplace for Visual Studio Code extensions, functioning as an alternative to the official VS Code Marketplace.

Overview

Open VSX Marketplace is a community-driven, open-source marketplace for Visual Studio Code extensions, functioning as an alternative to the official VS Code Marketplace. Its cybersecurity significance lies in the potential for malicious extensions to be uploaded or masquerade as legitimate add-ons, creating supply-chain and endpoint risks for developers and users; robust vetting, signing, and monitoring are essential for such extension ecosystems. The recent GlassWorm development underscores broader cross-platform threats to crypto-focused software on macOS and the importance of securing software distribution surfaces.

Related Threat Clusters

Recent Intelligence Reports

  • Ongoing supply-chain attack 'explicitly targeting' security, dev tools — Theregister · April 27, 2026
  • GlassWorm Malware Evolves to Target macOS Systems with Hardware Wallet Trojans — Technadu · January 2, 2026

CVSS v3.1 Breakdown