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    CVE-2026-100865

    Heym before 0.0.53 evaluates workflow condition expressions using Python's eval() with insufficient sandboxing in the workflow executor service. Authenticated users can edit workflow condition nodes or import malicious templates to execute arbitrary Python and OS commands as the backend process user.

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00323
    CVSS Score:8.8

    Affected Products

    Vendor
    Heymrun
    Product
    Heym

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-105396 (CVSS 5.3) — Heym before v0.0.112 contains a token leakage vulnerability in build_public_base_url() that allows unauthentic…
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    CVE-2026-101049 (CVSS 8.3) — Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have emp…
    CVE-2026-100864 (CVSS 8.7) — heym before 0.0.91 contains a sandbox escape vulnerability in the expression engine's DotList map/filter and f…
    CVE-2026-100863 (CVSS 5.3) — Heym versions 0.0.90 and earlier contain two server-side request forgery (SSRF) egress gaps, both remediated i…
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    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