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    CVE-2026-101049

    Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials.

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00297
    CVSS Score:6.5

    Affected Products

    Vendor
    Heymrun
    Product
    Heym

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

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    CVE-2026-100865 (CVSS 8.7) — Heym before 0.0.53 evaluates workflow condition expressions using Python's eval() with insufficient sandboxing…
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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