CVE-2026-19693

extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry's own final path component, so an archive containing two entries with identical names - a symlink whose target is outside the destination, followed by a regular file - writes through the planted symlink and yields an arbitrary file write outside the destination directory.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/max-mapper/extract-zip
https://www.npmjs.com/package/extract-zip

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-17 14:20

Updated : 2026-09-09 15:52

NVD link : CVE-2026-19693

Mitre link : CVE-2026-19693

CVE.ORG link : CVE-2026-19693

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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