{"id":"CVE-2026-29786","title":"node-tar is a full-featured Tar for Node.js","summary":"node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables f…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","cwe":["CWE-22","CWE-59","CWE-22","CWE-22"],"vendor":"isaacs","product":"tar","affected":["tar < 7.5.10"],"patched":["tar 7.5.10"],"published":"2026-03-07","updated":"2026-09-01","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-29786","references":[{"url":"https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f","label":"security-advisories@github.com"},{"url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-29786","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445476","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29786.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"tags":["nvd","exploit-available"],"epss":0.00439,"epssPercentile":0.37466,"ingestedAt":"2026-09-01T13:27:08.005Z","exploits":{"github":2,"githubRepos":["https://github.com/Jvr2022/CVE-2026-29786","https://github.com/Rohitberiwala/NodeJS-Tar-Symlink-Exploit-CVE-2026-29786"],"checkedAt":"2026-09-21T15:28:38.501Z"},"exploitAvailable":true,"slug":"CVE-2026-29786","body":"## Overview\n\nnode-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.\n\n## Affected\n\n- `tar < 7.5.10`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tar 7.5.10`","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":5068,"id":"CVE-2026-29786","ts":1788887238499,"field":"exploit_available","old":"false","new":"true"},{"seq":3951,"id":"CVE-2026-29786","ts":1788886362828,"field":"exploit_available","old":"true","new":"false"},{"seq":2772,"id":"CVE-2026-29786","ts":1788883028961,"field":"exploit_available","old":"false","new":"true"},{"seq":1801,"id":"CVE-2026-29786","ts":1788882432482,"field":"exploit_available","old":"true","new":"false"},{"seq":907,"id":"CVE-2026-29786","ts":1788881865940,"field":"exploit_available","old":"false","new":"true"}]}