CVE-2026-56876

HighCVSS 8.1/10Last modified Oct 25, 2026

Description

extract-zip does not validate symlink targets when extracting zip archives. When processing a malicious zip file containing a symlink with a relative path like '../../../../etc/passwd', extract-zip will extract the symlink without validation, allowing it to point outside the extraction directory. Depending on how extract-zip is used, an attacker could read or write to arbitrary files.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-22CWE-61

Affected software

No affected versions have been published.

Timeline

Published
Jun 26, 2026
Last modified
Oct 25, 2026
NVD status
Analyzed

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CVE-2026-56876: High severity, CVSS 8.1 | Vulnix