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    CVE-2026-73414

    Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/internal/win/cmd.js does not escape `(` and `)` when applications use the escape or escapeAll APIs on Windows with shell set to cmd.exe, or with shell set to true when CMD is the default. An attacker-controlled argument can break out of a parenthesized CMD construct and inject shell syntax depending on the original command, resulting in arbitrary command execution. This issue is fixed in versions 2.1.14 and 3.0.1.

    Published:Aug 12, 2026
    Last Modified:Aug 12, 2026
    EPS:Aug 12, 2026
    EPSS Score:
    CVSS Score:9.2

    Affected Products

    Vendor
    Ericcornelissen
    Product
    Shescape

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-73413 (CVSS 8.7) — Shescape is a simple shell escape library for JavaScript. From 2.1.11 until 2.1.14 and 3.0.1, the flag-protect…
    CVE-2026-73412 (CVSS 6.3) — Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, this impacts users of She…
    CVE-2026-73411 (CVSS 6.3) — Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/…
    CVE-2026-32094 (CVSS 6.9) — Shescape is a simple shell escape library for JavaScript. Prior to 2.1.10, Shescape#escape() does not escape s…
    CVE-2026-30916 — ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: Further investigation determined that the software beha…

    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