---
id: CVE-2026-21754
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cwe:
  - CWE-1004
published: '2026-08-25'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T23:10:00.143'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21754'
references:
  - url: >-
      https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133342
    label: psirt@hcl.com
tags:
  - nvd
ingestedAt: '2026-09-28T23:23:00.548Z'
---

## Overview

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.

## Remediation

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