What’s Vulnerable › Vulnerabilities

CVE-2026-21751: HCL Hive is affected by use of a cryptographic primitive with a risky implementation

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-24 · updated 2026-10-12
• Weakness: CWE-1240

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.

Affected products

• HCLSoftware HCL Hive: 1.0

References

• https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131731

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