Vulnerability in Cthackers Adm-Zip
CVE-2026-114102
adm-zip before 0.6.1 contains a denial of service vulnerability that allows unauthenticated attackers to crash the Node.js process via a malformed ZIP file, because inflateAsync in methods/inflater.js lacks a zlib stream error listener. Attackers can supply a ZIP with corrupted DEFLATE data processed by readFileAsync, readAsTextAsync, extractAllToAsync, or getDataAsync, triggering an uncatchable exception that terminates all in-flight requests.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/cthackers/adm-zip/security/advisories/GHSA-8238-w5pm-2374 (vendor-advisory)
- www.vulncheck.com/advisories/adm-zip-before-0.6.1-denial-of-service-via-inflate… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114102?
- CVE-2026-114102 is a high-severity vulnerability in Cthackers Adm-Zip, classified under CWE-248. CVSS score: 7.5/10. Published 2026-10-21.
- How severe is CVE-2026-114102?
- High severity. CVSS v3 base score is 7.5 out of 10.