Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2026-92000adm-zip 0.5.14 through 0.6.0 Denial of Service via Zero Declared Uncompressed Size
High 7.5
In plain English
A high-severity security flaw in adm-zip from cthackers. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 47.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
adm-zip versions 0.5.14 through 0.6.0 fail to apply zlib decompression output limits when ZIP entries declare zero uncompressed size. Attackers can craft malicious ZIP archives with highly compressible entries declaring zero size to exhaust memory and cause denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | adm-zip | 0.6.1 | GHSA-rcw4-f5rp-g42v |
Affected products (as reported)
Weakness: CWE-409 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Security Advisory (GHSA-rcw4-f5rp-g42v) vendor-advisory
- Fix commit (0.6.1) patch
- Commit introducing the conditional cap (0.5.14) technical-description, patch
- Vulnerable inflater.js at v0.6.0 technical-description
- https://github.com/cthackers/adm-zip product
- VulnCheck Advisory: adm-zip 0.5.14 through 0.6.0 Denial of Service via Zero Declared Uncompressed Size third-party-advisory