---
id: CVE-2026-21755
title: >-
  HCL Hive is affected by a missing rate limit which could allow an attacker
  unauthorized access via brute-force or credential stuffing attacks, or cause a
  denial of service.
summary: >-
  HCL Hive is affected by a missing rate limit which could allow an attacker
  unauthorized access via brute-force or credential stuffing attacks, or cause a
  denial of service.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-307
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-2026-21755'
references:
  - url: >-
      https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131731
    label: psirt@hcl.com
tags:
  - nvd
epss: 0.00214
epssPercentile: 0.10826
ingestedAt: '2026-10-12T15:55:08.119Z'
---

## Overview

HCL Hive is affected by a missing rate limit which could allow an attacker unauthorized access via brute-force or credential stuffing attacks, or cause a denial of service.

## Remediation

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