{"id":"UBUNTU-CVE-2026-19693","details":"extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry's own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.","modified":"2026-08-19T13:31:18.752803896Z","published":"2026-08-17T14:20:00Z","upstream":["CVE-2026-19693"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-19693"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-19693"}],"affected":[{"package":{"name":"node-extract-zip","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-extract-zip?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+ds-1","2.0.1+ds-3"],"ecosystem_specific":{"binaries":[{"binary_name":"node-extract-zip","binary_version":"2.0.1+ds-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19693.json"}},{"package":{"name":"node-extract-zip","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/node-extract-zip?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+ds-4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.1+ds-4","binary_name":"node-extract-zip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19693.json"}},{"package":{"name":"node-extract-zip","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/node-extract-zip?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.1+ds-4"],"ecosystem_specific":{"binaries":[{"binary_name":"node-extract-zip","binary_version":"2.0.1+ds-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-19693.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}