CVE-2026-21806

HCL BigFix Service Management is affected by an Administrative Session Concurrency vulnerability.

Bigfix Service Management

HCL BigFix Service Management is affected by an Administrative Session Concurrency vulnerability. The application allows multiple simultaneous authenticated sessions for the same administrative account, which could enable an unauthorized attacker to predict or hijack valid session identifiers. Successful exploitation allows an attacker to compromise affected administrative sessions and execute actions with full privileged user permissions.

18. Sep 2026

Ausgewertete Quellen

• Hersteller
  https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133592
• NVD
  CVE-2026-21806