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    CVE-2026-84717

    A flaw was found in the Ansible Automation Platform automation-controller. The unauthenticated Bitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping events after it has already looked up the target template, causing the endpoint to return HTTP 200 for a template that has a Bitbucket DC webhook configured and HTTP 403 otherwise. An unauthenticated remote attacker can use this response discrepancy as an oracle to enumerate which Job Template and Workflow Job Template IDs have Bitbucket DC webhooks configured, without knowing the secret webhook_key.

    Published:Sep 23, 2026
    Last Modified:Sep 26, 2026
    EPS:Sep 23, 2026
    EPSS Score:0.00337
    CVSS Score:5.3

    Affected Products

    Vendor
    Redhat
    Product
    Ansible Automation Platform
    Vendor
    Redhat
    Product
    Ansible Automation Platform Developer
    Vendor
    Redhat
    Product
    Ansible Automation Platform Inside

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-204 Observable Response Discrepancy

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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