CVE-2026-21716

An incomplete fix for CVE-2024-36137 leaves FileHandle.chmod and FileHandle.chown in the promises API without the required permission checks, while their callback-based equivalents fs.fchmod, fs.fchown were correctly patched. As a result, code running under --permission with restricted...

Node.js security vulnerabilities

Node.js is an open-source, cross-platform JavaScript runtime environment developed by the Node.js community. Security vulnerabilities exist in Node.js versions 20.x, 22.x, 24.x, and 25.x. These vulnerabilities stem from the lack of permission checks for FileHandle.chmod and FileHandle.chown durin...