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    CVE-2026-56599

    HCL BigFix Service Management is affected by an Insecure Cookie Attribute Configuration vulnerability, which could allow an attacker to exploit missing security attributes such as SameSite, HttpOnly, Secure, and restrictive Paths, enabling Cross-Site Request Forgery (CSRF), session hijacking via Cross-Site Scripting (XSS), and unauthorized access.

    Published:Oct 1, 2026
    Last Modified:Oct 5, 2026
    EPS:Oct 1, 2026
    EPSS Score:0.00061
    CVSS Score:2.2

    Affected Products

    Vendor
    Hcltech
    Product
    Bigfix Service Management

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-102 Session Sidejacking

    Related CVEs

    CVE-2026-56596 (CVSS 3.5) — HCL BigFix Service Management is affected by an Improper Input Validation vulnerability, which could allow an …
    CVE-2025-31980 (CVSS 4.3) — HCL BigFix Service Management is affected by an Improper Input Validation vulnerability, which could allow an …
    CVE-2026-67172 (CVSS 3.7) — HCL BigFix Service Management is affected by an Information Disclosure vulnerability the application returns s…
    CVE-2026-67171 (CVSS 5.3) — HCL BigFix Service Management is affected by an Information Disclosure vulnerability because an exposed API en…
    CVE-2026-67106 (CVSS 5.3) — HCL BigFix Service Management is affected by an Information Disclosure vulnerability because two exposed API e…
    CVE-2026-67104 (CVSS 5.3) — HCL BigFix Service Management is affected by an Information Disclosure vulnerability, which could allow an una…
    CVE-2026-67105 (CVSS 7.4) — HCL BigFix Service Management is affected by an Insecure Communication vulnerability, which could allow an att…
    CVE-2026-56589 (CVSS 7.2) — HCL BigFix Service Management is affected by a Stored Cross-Site Scripting (XSS) vulnerability, which could al…
    CVE-2026-21806 (CVSS 3.1) — HCL BigFix Service Management is affected by an Administrative Session Concurrency vulnerability. The applicat…
    CVE-2026-56595 (CVSS 3.1) — HCL BigFix Service Management is affected by a CORS Misconfiguration vulnerability due to improperly validated…

    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