CVE-2026-21848 HCL BigFix Service Management is affected by multiple security vulnerabilities.

Medium 5.0 Published Updated

An authenticated attacker can bypass access controls to view restricted data across tenant boundaries in HCL BigFix Service Management.

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

What is CVE-2026-21848?

CVE-2026-21848 is a medium-severity missing authorization vulnerability in HCL BigFix Service Management, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

Weakness: CWE-284

Which versions are affected by CVE-2026-21848?

It affects 1 product.

Products include Hcltech Bigfix Service Management.

How do I fix CVE-2026-21848?

No fix has been published for CVE-2026-21848 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-21848 being exploited?

There is no known exploitation of CVE-2026-21848 in the wild and no public exploit code.

Sources

Also known as GHSA-qcpv-fw3g-rx3p.

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