CVE-2026-26954
CVE-2026-26954 · SandboxJS has a Sandbox Escape
This page contains facts from public vulnerability sources. Check the original advisory before updating.
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.34, it is possible to obtain arrays containing Function, which allows escaping the sandbox. Given an array containing Function, and Object.fromEntries, it is possible to construct {[p]: Function} where p is any constructible property. This vulnerability is fixed in 0.8.34.
CVSS 10.0 · Critical · EPSS 0.6% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
sandboxjs
- Versions
- < 0.8.34: Affected
No fix published
@nyariv/sandboxjs npm
- Affected ranges
- SEMVER: < 0.8.34
Update to 0.8.34