Claude extension flaw enabled silent prompt injection via XSS and weak allowlist, risking data theft and impersonation until Feb 19, 2026 fix.
The newly observed malware abuses VS Code’s “runOn:folderOpen” feature to execute automatically from trusted projects, enabling near-frictionless compromise.
Attacks leveraging the 'PolyShell' vulnerability in version 2 of Magento Open Source and Adobe Commerce installations are underway, targeting more than half of all vulnerable stores.