CVE Database›Document archive›CVE-2026-116137

CVE-2026-116137

adm-zip: adm-zip: File integrity check bypass via duplicate archive entries

Loading…

Severity

Low

Red Hat Product Security

3.7

CVSS 3.1

Review impact separately from score.

Published · October 25, 2026

Updated · October 30, 2026

Description

A flaw was found in adm-zip. A remote attacker can exploit this issue by providing a specially crafted ZIP archive containing duplicate entries with equivalent path names to bypass validation checks. Consequently, an application may inspect benign file content during validation but write malicious content to the destination path upon extraction, leading to an integrity check bypass.

Statement

This vulnerability is rated as having a Low impact because exploitation depends on an atypical application pattern where individual archive entries are inspected for integrity prior to full extraction. In Red Hat environments, adm-zip is utilized within containerized platforms and developer tooling where decoupled validation routines on untrusted archives are not typically exposed or implemented. As a result, the risk of integrity check circumvention leading to compromised system state is minimal.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

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

CWE-41 · Improper Resolution of Path Equivalence