๐Ÿ›ก๏ธ CVE-2026-34217
๐ŸŸ  CVSS 7.2 โ€” High โœ… No Known Exploit CWE-668 NVD
7.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, a scope modification vulnerability exists in @nyariv/sandboxjs. The vulnerability allows untrusted sandboxed code to leak internal interpreter objects through the new operator, exposing sandbox scope objects in the scope hierarchy to untrusted code; an unexpected and undesired exploit. While this could allow modifying scopes inside the sandbox, code evaluation remains sandboxed and prototypes remain protected throughout the execution. This vulnerability is fixed in 0.8.36.

Details

Severity High
CVSS Score 7.2
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE CWE-668
Public Exploit โœ… No
Source NVD
Published 2026-04-03
Updated 2026-06-02
Modified 2026-04-06
Fix URL N/A

Affected Packages

Software From version Fixed in
@nyariv/sandboxjs โ€” โ€”
sandboxjs โ€” 0.8.36

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