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    CVE-2026-114104

    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.

    Published:Oct 21, 2026
    Last Modified:Oct 28, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00232
    CVSS Score:5.9

    Affected Products

    Vendor
    Adm-zip Project
    Product
    Adm-zip

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-116137 (CVSS 6.3) — adm-zip through 0.6.1 contains a duplicate-entry validation bypass that allows attackers to evade the readEntr…
    CVE-2026-114105 (CVSS 6.9) — Adm-zip before 0.6.1 contains an incorrect permission assignment vulnerability that allows attackers to set se…
    CVE-2026-114103 (CVSS 6.9) — adm-zip 0.6.0 contains a decompression bomb protection bypass that allows attackers to evade the maxOutputLeng…
    CVE-2026-114102 (CVSS 8.7) — adm-zip before 0.6.1 contains a denial of service vulnerability that allows unauthenticated attackers to crash…
    CVE-2026-92000 (CVSS 8.7) — adm-zip versions 0.5.14 through 0.6.0 fail to apply zlib decompression output limits when ZIP entries declare …
    CVE-2026-76845 (CVSS 6.8) — adm-zip 0.5.9 through 0.6.0 follows symbolic links at the extraction destination. Utils.sanitize in util/utils…
    CVE-2018-1002204 (CVSS 5.5) — adm-zip npm library before 0.4.9 is vulnerable to directory traversal, allowing attackers to write to arbitrar…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High