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    CVE-2026-19278

    A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine (M2M) token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect (OIDC) token, whose claim value is a superstring of a configured pattern, to gain unauthorized access to roles they were not intended to receive. This can lead to privilege escalation within the system.

    Published:Aug 10, 2026
    Last Modified:Aug 10, 2026
    EPS:Aug 10, 2026
    EPSS Score:
    CVSS Score:6.8

    Affected Products

    Vendor
    Redhat
    Product
    Advanced Cluster Security

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-625 Permissive Regular Expression

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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