CVE-2026-21751 HCL Hive is affected by use of a cryptographic primitive with a risky implementation
Weak cryptographic implementation in HCL Hive allows attackers to achieve lateral movement or leak credentials if an internal component is compromised.
- 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-2026-21751?
CVE-2026-21751 is a high-severity vulnerability in HCLSoftware HCL Hive, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
HCL Hive is affected by a cryptographic primitive with a risky implementation which could allow an attacker unauthorized lateral compromise or widespread credential leakage if a single internal component is breached.
Weakness: CWE-1240
Which versions are affected by CVE-2026-21751?
How do I fix CVE-2026-21751?
No fix has been published for CVE-2026-21751 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21751 being exploited?
There is no known exploitation of CVE-2026-21751 in the wild and no public exploit code.
Sources
Also known as GHSA-3c3q-fqq7-42mj.