What is CVE-2025-69874?

CVE-2025-69874 is a critical-severity vulnerability in Unjs Nanotar, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-02-11.

How severe is CVE-2025-69874?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Unjs Nanotar

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 directory via a crafted tar archive containing path traversal s…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.008 (53.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Unjs Nanotar
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Product)
cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-69874?: CVE-2025-69874 is a critical-severity vulnerability in Unjs Nanotar, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-02-11.
How severe is CVE-2025-69874?: Critical severity. CVSS v3 base score is 9.8 out of 10.