CVE-2026-21754 HCL Hive is affected by multiple security vulnerabilities.

Medium 5.4 Published Updated

Misconfigurations in HCL Hive allow attackers to perform lateral movement, break out of containers, and expose sensitive internal data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-21754?

CVE-2026-21754 is a medium-severity vulnerability in HCL Software Hive, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

HCL Hive is affected by multiple infrastructure and network configuration vulnerabilities, which could lead to unauthorized lateral movement, container breakout, and sensitive data exposure within internal communications.

Weakness: CWE-1004

Which versions are affected by CVE-2026-21754?

How do I fix CVE-2026-21754?

No fix has been published for CVE-2026-21754 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21754 being exploited?

There is no known exploitation of CVE-2026-21754 in the wild and no public exploit code.

Sources

Also known as GHSA-5h4h-m82c-fgmf.

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