CVE-2026-116137

LowCVSS 3.7/10Last modified Oct 29, 2026

Description

adm-zip through 0.6.1 contains a duplicate-entry validation bypass that allows attackers to evade the readEntries() check by using canonically equivalent entry names like './hello.txt' and 'hello.txt'. Attackers can craft ZIP archives where getEntry() or readAsText() validates benign content while extractAllTo() writes malicious content to the same path, bypassing integrity checks.

Metrics

CVSS 3.1 3.7/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-436

Affected software

VendorProductVersions
cthackersadm-zip<= 0.6.1

References

Timeline

Published
Oct 25, 2026
Last modified
Oct 29, 2026
NVD status
Deferred

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CVE-2026-116137: Low severity, CVSS 3.7 | Vulnix