August 21, 2026
- isolated-vm sandbox escape (GHSA-864f-rcv7-6rh4, no CVE yet) affects all versions up to and including 7.0.0 of the 2,900-star JavaScript sandbox, letting sandboxed code break out to the host for potential RCE — relevant anywhere untrusted JS is executed server-side, including plugin and agent runtimes (The Hacker News). · Vulnerability Research