---
id: CVE-2026-114103
title: adm-zip 0.6.0 Decompression Bomb Guard Bypass via getDataAsync()
summary: >-
  adm-zip 0.6.0 contains a decompression bomb protection bypass that allows
  attackers to evade the maxOutputLength guard by targeting the asynchronous
  getDataAsync() path in methods/inflater.js. Attackers can craft ZIP entries
  with falsifi…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-400
vendor: cthackers
product: adm-zip
affected:
  - adm-zip >= 0.6.0 < 0.6.1
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T00:37:04.594Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-114103'
references:
  - url: >-
      https://github.com/cthackers/adm-zip/security/advisories/GHSA-c6fg-446q-cg94
    label: GitHub Security Advisory (GHSA-c6fg-446q-cg94)
  - url: >-
      https://www.vulncheck.com/advisories/adm-zip-0.6.0-decompression-bomb-guard-bypass-via-getdataasync
    label: >-
      VulnCheck Advisory: adm-zip 0.6.0 Decompression Bomb Guard Bypass via
      getDataAsync()
tags:
  - cve.org
ingestedAt: '2026-10-21T01:37:08.014Z'
---

## Overview

adm-zip 0.6.0 contains a decompression bomb protection bypass that allows attackers to evade the maxOutputLength guard by targeting the asynchronous getDataAsync() path in methods/inflater.js. Attackers can craft ZIP entries with falsified small declared sizes and high-ratio DEFLATE payloads to exhaust memory in applications reading entries asynchronously.

## Affected

- `adm-zip >= 0.6.0 < 0.6.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.