CVE-2025-69874 — CRITICAL (9.8)

Q: How severe is CVE-2025-69874?

CVE-2025-69874 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2025-69874?

Check the references section above for vendor advisories and patch information. Affected products include: Unjs Nanotar.

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Unjs	Nanotar	<= 0.2.0

Related Weaknesses (CWE)

CWE-22

References

https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanExploitThird Party Advisory
https://github.com/unjs/nanotarProduct
https://www.npmjs.com/package/nanotarProduct

FAQ

What is CVE-2025-69874?

CVE-2025-69874 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2025-69874?

CVE-2025-69874 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-69874?

Check the references section above for vendor advisories and patch information. Affected products include: Unjs Nanotar.