Critical severity · published Feb 11, 2026
CVE-2025-69874
nanotar through 0.2.0 has a path traversal vulnerability in parseTar() and parseTarGzip() that allows remote attackers to write arbitrary files outside the intended extraction…
9.8
CVSS
0.9%
EPSS
No
On KEV
Description
nanotar through 0.2.0 has a path traversal vulnerability in parseTar() and parseTarGzip() that allows remote attackers to write arbitrary files outside the intended extraction directory via a crafted tar archive containing path traversal sequence.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Nanotar · Unjs
through 0.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-69874
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-69874
Exploit
https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.md
Product
https://github.com/unjs/nanotar
Product
https://www.npmjs.com/package/nanotar