CVE-2026-29786

MEDIUM

node-tar <7.5.10 - Path Traversal

Title source: llm

Description

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 file overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.

Exploits (3)

github WRITEUP 10 stars

by XiaomingX · pythonpoc

https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-29786

View Code ZIP pw:eip

nomisec WRITEUP 1 stars

by Jvr2022 · poc

https://github.com/Jvr2022/CVE-2026-29786

View Code ZIP pw:eip

nomisec WRITEUP

by Rohitberiwala · poc

https://github.com/Rohitberiwala/NodeJS-Tar-Symlink-Exploit-CVE-2026-29786

View Code ZIP pw:eip

References (2)

[Patch] https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f

[Vendor Advisory] https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96

Scores

CVSS v3 6.3

EPSS 0.0001

EPSS Percentile 0.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Details

CWE

CWE-22 CWE-59

Status published

Products (2)

isaacs/tar < 7.5.10

npm/tar 0 - 7.5.10npm

Published Mar 07, 2026

Tracked Since Mar 07, 2026