CRITICALCVE-2026-25142Published Modified CNA GitHub_M
CVE-2026-25142: SandboxJS Prototype Pollution -> Sandbox Escape -> RCE
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.
Metrics
- CVSS v3.1
- 10.0
- Severity
- CRITICAL
- Fixed in
- —
- Affected Products
- 1
Affected packages
- nyariv / SandboxJS< 0.8.27
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H