adm-zip through 0.6.1 Duplicate-Entry Validation Bypass via Canonically Equivalent Names
adm-zip through 0.6.1 contains a duplicate-entry validation bypass that allows attackers to evade the readEntries() check by using canonically equivalent entry names like './hello.txt' and 'hello.txt'. Attackers can craft ZIP archives where getEntry() or readAsText() validates benign content while extractAllTo() writes…
Severity medium: primary CNA CVSS 6.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-10-25T11:51:01.980Z. Updated 2026-10-25T11:51:01.980Z.