CVE-2026-25587
CVE-2026-25587 · 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 0.8.29, as Map is in SAFE_PROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29.
CVSS 10.0 · Critical · EPSS 0.7% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
sandboxjs
- Versions
- < 0.8.29: Affected
No fix published
@nyariv/sandboxjs npm
- Affected ranges
- SEMVER: < 0.8.29
Update to 0.8.29