CVE-2026-56592 HCL BigFix Service Management is affected by multiple security vulnerabilities.

Medium 6.5 Published Updated

Unauthenticated attackers can bypass account lockouts to perform brute-force attacks and gain unauthorized access to HCL BigFix Service Management.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-56592?

CVE-2026-56592 is a medium-severity authentication bypass vulnerability in HCL BigFix Service Management, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-307

Which versions are affected by CVE-2026-56592?

It affects 1 product.

Products include Hcltech Bigfix Service Management.

How do I fix CVE-2026-56592?

No fix has been published for CVE-2026-56592 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-56592 being exploited?

There is no known exploitation of CVE-2026-56592 in the wild and no public exploit code.

Sources

Also known as GHSA-h3cm-83xm-6m56.

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