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CVE-2026-50178 is a remote code execution vulnerability in the Angular Language Service extension for Visual Studio Code prior to version 21.2.4. The extension configures VS Code’s hover tooltip Markdown renderer with trusted rendering enabled, allowing active elements such as command URIs to be processed. At the same time, the Angular Language Server forwards JSDoc-derived hover content without properly escaping or sanitizing brackets, raw links, and control characters. An attacker can embed a malicious command-bearing link in JSDoc within a project source file or a third-party package dependency. When a developer hovers over the affected symbol and then activates the rendered link, VS Code executes the associated command sequence on the developer workstation.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.