npm package report

Is @nyariv/sandboxjs safe?

14 known vulnerabilities, worst severity CRITICAL.

cvss

10.0

how bad it is if exploited, out of 10

epss

0.50%

chance of exploitation in the next 30 days

xyz score

4.0

CyberXYZ composite, out of 10

fig. 01 — GHSA-g8f2-4f4f-5jqw, the advisory selected below

// advisories

GHSA-g8f2-4f4f-5jqw

CRITICALCVE-2026-43898

Sandbox-defined functions expose Function.caller, allowing sandboxed code to recover the internal LispType.Call runtime callback. That callback can then be invoked with attacker-controlled fake context and obj values to extract blocked host statics, recover the real host Function constructor, and execute arbitrary host JavaScript.

Affected: >=0, <0.9.6, <= 0.9.5
Fixed in: 0.9.6
Weakness: CWE-94
Published: 2026-05-11
Source: osv

NVD MITRE OSV

// dependencies

0 direct

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-09-22 at 02:45 UTC. The most recent advisory here was published 2026-05-11. Updated continuously from NVD, GHSA, OSV and CNA feeds.

Is @nyariv/sandboxjs safe? npm package security report | CyberXYZ