---
id: CVE-2026-21751
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-1240
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T15:10:00.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21751'
references:
  - url: >-
      https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131731
    label: psirt@hcl.com
tags:
  - nvd
epss: 0.00162
epssPercentile: 0.04869
ingestedAt: '2026-10-12T15:55:08.116Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.