CVE-2026-114104 — adm-zip before 0.6.1 Duplicate ZIP Entry Name Validation Bypass
adm-zip before 0.6.1 contains an inconsistent entry resolution vulnerability that allows attackers to bypass content validation by supplying ZIP archives with duplicate entry na…
Published: 2026-10-21 · CVSS: 8.2 · CVSS 4.0
adm-zip before 0.6.1 contains an inconsistent entry resolution vulnerability that allows attackers to bypass content validation by supplying ZIP archives with duplicate entry names. Attackers can craft archives where getEntry() returns the last duplicate while extractAllTo() writes the first, causing unvalidated bytes to be written to disk.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7