GHSA-vj76-c3g6-qr5v
tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball
At a glance
- Published
- Updated
- CVE
- CVE-2025-59343
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Description
### Impact v3.1.0, v2.1.3, v1.16.5 and below ### Patches Has been patched in 3.1.1, 2.1.4, and 1.16.6 ### Workarounds You can use the ignore option to ignore non files/directories. ```js ignore (_, header) { // pass files & directories, ignore e.g. symlinks return header.type !== 'file' && header.type !== 'directory' } ``` ### Credit Reported by: Mapta / BugBunny_ai
Affected packages
| Package | Versions |
|---|---|
| npm · tar-fs | introduced 3.0.0, fixed 3.1.1 |
| npm · tar-fs | introduced 2.0.0, fixed 2.1.4 |
| npm · tar-fs | introduced 0, fixed 1.16.6 |
References
- https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-59343 ADVISORY
- https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09 WEB
- https://github.com/mafintosh/tar-fs PACKAGE
- https://lists.debian.org/debian-lts-announce/2025/09/msg00028.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |