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CVE-2026-26960

🔴 HIGH

node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to...

Published
Feb 20, 2026
Last Modified
Feb 20, 2026
Views
1
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0

Description

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node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.

Affected Products (1)

isaacs - tar

Version: *

CVSS Scores

CVSS 3.1 7.1
7.1
HIGH
CVSS 2.0 7.1

References

github.com github.com github.com

Additional Information

Source
security-advisories@github.com
State
Analyzed

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