CVE-2026-116137 | 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 malicious content to the same path, bypassing integrity checks.
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 malicious content to the same path, bypassing integrity checks.
- 🔗 github.com/cthackers/adm-zip/issues/587
- 🔗 github.com/cthackers/adm-zip
- 🔗 github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db4…
- 🔗 github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db4…
- 🔗 github.com/cthackers/adm-zip/blob/cb2cf9ba4c7c865db4…
- 🔗 www.vulncheck.com/advisories/adm-zip-through-0.6.1-duplicat…
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| Tier | CVEs | Anteil |
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CVE-2026-116137 | 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 malicious content to the same path, bypassing integrity checks.
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