CVE-2026-26954: SandboxJS affected by a Sandbox Escape

March 13, 2026 (updated March 16, 2026)

It is possible to obtain arrays containing Function, which allows escaping the sandbox.

References

github.com/advisories/GHSA-6r9f-759j-hjgv
github.com/nyariv/SandboxJS
github.com/nyariv/SandboxJS/commit/e01505b1ea49f4f13956cd12b7ce01b83d2ee085
github.com/nyariv/SandboxJS/releases/tag/v0.8.34
github.com/nyariv/SandboxJS/security/advisories/GHSA-6r9f-759j-hjgv
nvd.nist.gov/vuln/detail/CVE-2026-26954

Code Behaviors & Features

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