adm-zip before 0.6.1 Duplicate ZIP Entry Name Validation Bypass
Exact source revision recorded 28 Oct 2026 17:46:48 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-114104
Publishedadm-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 published
- 21 Oct 2026 00:37:05 UTC
- Source modified
- 28 Oct 2026 16:14:55 UTC
- Observed here
- 28 Oct 2026 17:46:48 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 8.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1 · 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N