{"id":"DEBIAN-CVE-2026-106073","details":"A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read permission checks. This is an incomplete fix of CVE-2026-21715, which only covered `fs.realpathSync.native()`.  As a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.  This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.","modified":"2026-10-24T06:00:05.820893934Z","published":"2026-10-23T17:17:20.343Z","upstream":["CVE-2026-106073"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-106073"}],"affected":[{"package":{"name":"nodejs","ecosystem":"Debian:12","purl":"pkg:deb/debian/nodejs?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.13.0+dfsg1-1","18.13.0+dfsg1-1.1","18.19.0+dfsg-1","18.19.0+dfsg-2","18.19.0+dfsg-3","18.19.0+dfsg-4","18.19.0+dfsg-5","18.19.0+dfsg-6","18.19.0+dfsg-6~deb12u1","18.19.0+dfsg-6~deb12u2","18.19.1+dfsg-1","18.19.1+dfsg-2","18.19.1+dfsg-3","18.19.1+dfsg-3.1","18.19.1+dfsg-4","18.19.1+dfsg-6","18.20.1+dfsg-1","18.20.1+dfsg-2","18.20.1+dfsg-3","18.20.1+dfsg-4","18.20.4+dfsg-1~deb12u1","18.20.4+dfsg-1~deb12u2","18.20.4+dfsg-1~deb12u3","20.10.0+dfsg-1","20.12.2+dfsg-1","20.13.0+dfsg-1","20.13.1+dfsg-1","20.13.1+dfsg-2","20.14.0+dfsg-1","20.14.0+dfsg-2","20.14.0+dfsg-3","20.15.0+dfsg-1","20.15.1+dfsg-1","20.16.0+dfsg-1","20.17.0+dfsg-1","20.17.0+dfsg-2","20.18.0+dfsg-1","20.18.0+dfsg-2","20.18.1+dfsg-1","20.18.1+dfsg-2","20.18.2+dfsg-1","20.18.2+dfsg-2","20.18.2+dfsg-3","20.18.2+dfsg-4","20.18.3+dfsg-1","20.19.0+dfsg-1","20.19.0+dfsg-2","20.19.0+dfsg1-1","20.19.2+dfsg-1","20.19.4+dfsg-1","20.19.5+dfsg+~cs20.19.12-1","20.19.5+dfsg+~cs20.19.12-2","20.19.5+dfsg+~cs20.19.12-3","20.19.5+dfsg+~cs20.19.12-4","20.19.5+dfsg+~cs20.19.24-1","22.12.0+dfsg-1","22.12.0+dfsg-2","22.12.0+dfsg-3","22.14.0+dfsg-1","22.18.0+dfsg+~cs22.17.2-1","22.18.0+dfsg+~cs22.17.2-2","22.18.0+dfsg-1","22.19.0+dfsg+~cs22.18.0-1","22.21.1+dfsg+~cs22.19.0-1","22.21.1+dfsg+~cs22.19.0-2","22.21.1+dfsg+~cs22.19.0-3","22.21.1+dfsg+~cs22.19.0-4","22.21.1+dfsg+~cs22.19.0-5","22.21.1+dfsg+~cs22.19.0-6","22.22.0+dfsg+~cs22.19.13-1","22.22.0+dfsg+~cs22.19.13-2","22.22.0+dfsg+~cs22.19.6-1","22.22.1+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-3","24.11.1+dfsg+~cs24.10.1-1","24.11.1+dfsg+~cs24.10.1-2","24.12.0+dfsg+~cs24.10.4-1","24.13.0+dfsg+~cs24.10.7-1","24.13.0+dfsg+~cs24.10.7-2","24.14.0+dfsg+~cs24.12.0-1","24.14.0+dfsg+~cs24.12.0-2","24.14.1+dfsg+~cs24.12.0-1","24.15.0+dfsg+~cs24.12.2-1","24.16.0+dfsg+~cs24.13.1-1","24.16.0+dfsg+~cs24.13.1-2","24.17.0+dfsg+~cs24.13.2-1","24.18.0+dfsg+~cs24.13.2-1","24.19.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-2","24.21.0+dfsg+~cs24.13.4-1","24.22.0+dfsg+~cs24.19.2-1","24.22.0+dfsg+~cs24.19.2-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106073.json"}},{"package":{"name":"nodejs","ecosystem":"Debian:13","purl":"pkg:deb/debian/nodejs?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.19.2+dfsg-1","20.19.2+dfsg-1+deb13u1","20.19.2+dfsg-1+deb13u2","20.19.2+dfsg-1+deb13u3","20.19.4+dfsg-1","20.19.5+dfsg+~cs20.19.12-1","20.19.5+dfsg+~cs20.19.12-2","20.19.5+dfsg+~cs20.19.12-3","20.19.5+dfsg+~cs20.19.12-4","20.19.5+dfsg+~cs20.19.24-1","22.12.0+dfsg-1","22.12.0+dfsg-2","22.12.0+dfsg-3","22.14.0+dfsg-1","22.18.0+dfsg+~cs22.17.2-1","22.18.0+dfsg+~cs22.17.2-2","22.18.0+dfsg-1","22.19.0+dfsg+~cs22.18.0-1","22.21.1+dfsg+~cs22.19.0-1","22.21.1+dfsg+~cs22.19.0-2","22.21.1+dfsg+~cs22.19.0-3","22.21.1+dfsg+~cs22.19.0-4","22.21.1+dfsg+~cs22.19.0-5","22.21.1+dfsg+~cs22.19.0-6","22.22.0+dfsg+~cs22.19.13-1","22.22.0+dfsg+~cs22.19.13-2","22.22.0+dfsg+~cs22.19.6-1","22.22.1+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-3","24.11.1+dfsg+~cs24.10.1-1","24.11.1+dfsg+~cs24.10.1-2","24.12.0+dfsg+~cs24.10.4-1","24.13.0+dfsg+~cs24.10.7-1","24.13.0+dfsg+~cs24.10.7-2","24.14.0+dfsg+~cs24.12.0-1","24.14.0+dfsg+~cs24.12.0-2","24.14.1+dfsg+~cs24.12.0-1","24.15.0+dfsg+~cs24.12.2-1","24.16.0+dfsg+~cs24.13.1-1","24.16.0+dfsg+~cs24.13.1-2","24.17.0+dfsg+~cs24.13.2-1","24.18.0+dfsg+~cs24.13.2-1","24.19.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-2","24.21.0+dfsg+~cs24.13.4-1","24.22.0+dfsg+~cs24.19.2-1","24.22.0+dfsg+~cs24.19.2-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106073.json"}},{"package":{"name":"nodejs","ecosystem":"Debian:14","purl":"pkg:deb/debian/nodejs?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.19.2+dfsg-1","20.19.4+dfsg-1","20.19.5+dfsg+~cs20.19.12-1","20.19.5+dfsg+~cs20.19.12-2","20.19.5+dfsg+~cs20.19.12-3","20.19.5+dfsg+~cs20.19.12-4","20.19.5+dfsg+~cs20.19.24-1","22.12.0+dfsg-1","22.12.0+dfsg-2","22.12.0+dfsg-3","22.14.0+dfsg-1","22.18.0+dfsg+~cs22.17.2-1","22.18.0+dfsg+~cs22.17.2-2","22.18.0+dfsg-1","22.19.0+dfsg+~cs22.18.0-1","22.21.1+dfsg+~cs22.19.0-1","22.21.1+dfsg+~cs22.19.0-2","22.21.1+dfsg+~cs22.19.0-3","22.21.1+dfsg+~cs22.19.0-4","22.21.1+dfsg+~cs22.19.0-5","22.21.1+dfsg+~cs22.19.0-6","22.22.0+dfsg+~cs22.19.13-1","22.22.0+dfsg+~cs22.19.13-2","22.22.0+dfsg+~cs22.19.6-1","22.22.1+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-1","22.22.2+dfsg+~cs22.19.15-3","24.11.1+dfsg+~cs24.10.1-1","24.11.1+dfsg+~cs24.10.1-2","24.12.0+dfsg+~cs24.10.4-1","24.13.0+dfsg+~cs24.10.7-1","24.13.0+dfsg+~cs24.10.7-2","24.14.0+dfsg+~cs24.12.0-1","24.14.0+dfsg+~cs24.12.0-2","24.14.1+dfsg+~cs24.12.0-1","24.15.0+dfsg+~cs24.12.2-1","24.16.0+dfsg+~cs24.13.1-1","24.16.0+dfsg+~cs24.13.1-2","24.17.0+dfsg+~cs24.13.2-1","24.18.0+dfsg+~cs24.13.2-1","24.19.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-1","24.20.0+dfsg+~cs24.13.3-2","24.21.0+dfsg+~cs24.13.4-1","24.22.0+dfsg+~cs24.19.2-1","24.22.0+dfsg+~cs24.19.2-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106073.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}