CVE-2026-21806

HCL BigFix Service Management is affected by a Server-Side Request Forgery (SSRF) vulnerability in its search functionality, which could allow an attacker to force the application server to send requests to internal systems that are not accessible from the internet.

HCL BigFix Service Management is affected by SQL Injection and Cross-Tenant Data Exposure vulnerabilities, which could allow an authenticated attacker to inject database commands to extract sensitive system details, as well as manipulate request values to gain unauthorized access to full personal profile data and PII across different organizations.

HCL BigFix Service Management is affected by a Sensitive Information Leakage vulnerability, which could allow an unauthenticated attacker to extract internal IP addresses from the application's responses, enabling them to map the underlying network topology and identify potential internal targets.

HCL BigFix Service Management is affected by a CORS Misconfiguration vulnerability due to improperly validated origin headers, which could allow an attacker to craft a malicious web page that interacts with the vulnerable application, enabling unauthorized access to protected resources and restricted APIs on behalf of a victim.

HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.

HCL BigFix Service Management is affected by an Unrestricted File Upload vulnerability due to improper file validation controls, which could allow an unauthenticated attacker to upload and execute malicious payloads, resulting in a complete server compromise.

Security Misconfiguration vulnerability in HCL BigFix Service Management. An authenticated attacker could exploit improper access controls, enabling unauthorized viewing of restricted data elements across tenant boundaries.

HCL BigFix Service Management is affected by Cross-Site Scripting (XSS) vulnerability, which could allow an attacker to inject unsanitized malicious scripts that execute in a victim's browser, enabling session hijacking, account takeover, and unauthorized actions on behalf of affected users.

HCL BigFix Service Management is affected by a high-severity Broken Access Control vulnerability. A low-privileged user could gain unauthorized access to administrative screens and functions reserved for higher-privileged roles.

Missing or insecure X-Content-Type-Options header in HCL BigFix Service Management (SM) allows browsers to perform MIME-type sniffing. This could cause malicious content to be interpreted and executed incorrectly.