What is the CVSS score of CVE-2025-69874?

CVE-2025-69874 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Nanotar are affected by CVE-2025-69874?

nanotar library versions through 0.2.0 contain a critical path traversal vulnerability that could allow attackers to write malicious files anywhere on affected systems by uploading specially crafted…

How to fix or mitigate CVE-2025-69874?

Within 24 hours: Identify all systems and applications using nanotar library and isolate those processing untrusted tar archives from production networks. Within 7 days: Implement input validation, disable tar extraction features if not essential, and deploy network segmentation to limit blast radius. Within 30 days: Upgrade nanotar when patches become available, conduct forensic review of extracted tar files from past 90 days, and implement file integrity monitoring on extraction directories.

Nanotar CVE-2025-69874

CRITICAL

Path Traversal (CWE-22)

2026-02-11 cve@mitre.org

GHSA-92fh-27vv-894w

Path Traversal Nanotar

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 11, 2026 - 18:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Path traversal in nanotar npm package through 0.2.0. The parseTar() and parseTarGzip() functions allow attackers to write files outside the extraction directory.