Description
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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- changed
- Confidentiality
- high
- Integrity
- high
- Availability
- high
- Weaknesses
- CWE-94CWE-1321
Metadata
- Primary Vendor
- NYARIV
- Published
- 2/2/2026
- Last Modified
- 2/18/2026
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
nyariv : sandboxjs
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