CVE-2026-47135: Vm2 Incomplete Symbol Blocklist
A sandbox limits access to some `nodejs.` internal symbols but uses an incomplete string blocklist. Attackers can bypass this by requesting unblocked internal symbols like `nodejs.util.promisify.custom` or stream symbols.
JSgreprules fetch cve-2026-47135-vm2-incomplete-symbol-blocklist --engine opengrepDescription
A sandbox limits access to some `nodejs.` internal symbols but uses an incomplete string blocklist. Attackers can bypass this by requesting unblocked internal symbols like `nodejs.util.promisify.custom` or stream symbols.
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