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CVE-2026-21755— HCL Hive is affected by a missing rate limit

Quick assessment

Affected
HCLSoftware HCL Hive
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HCL Hive是印度HCL公司的一个消息队列中间件。 HCL Hive 1.0版本存在授权问题漏洞，该漏洞源于缺少速率限制，可能允许攻击者通过暴力破解或凭据填充攻击进行未经授权的访问，或导致拒绝服务。

CVSS 5.3 · Medium EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCLSoftware HCL Hive 1.0 affected
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I. Basic Information for CVE-2026-21755

Vulnerability Information
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Vulnerability Title
HCL Hive is affected by a missing rate limit
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
HCL Hive 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Hive是印度HCL公司的一个消息队列中间件。 HCL Hive 1.0版本存在授权问题漏洞，该漏洞源于缺少速率限制，可能允许攻击者通过暴力破解或凭据填充攻击进行未经授权的访问，或导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCLSoftware HCL Hive 1.0 -

II. Public POCs for CVE-2026-21755

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III. Intelligence Information for CVE-2026-21755

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Vendor Advisories for CVE-2026-21755 (1)

Same Patch Batch · HCLSoftware · 2026-08-24 · 7 CVEs total

CVE-2026-21752 7.5 HIGH HCL Hive is affected by a use of vulnerable third-party components
CVE-2025-68825 7.5 HIGH HCL Hive is affected by incorrect default permissions
CVE-2026-21751 7.4 HIGH HCL Hive is affected by use of a cryptographic primitive with a risky implementation
CVE-2026-21756 7.2 HIGH HCL Hive is affected by a broken access control vulnerability
CVE-2025-68833 5.3 MEDIUM HCL Hive is affected by use of a cryptographic primitive with a risky implementation
CVE-2026-21759 4.3 MEDIUM HCL Hive is affected by an information exposure vulnerability

IV. Related Vulnerabilities

Same product: HCL Hive
Same vendor: HCLSoftware
Same weakness: CWE-307

V. Comments for CVE-2026-21755

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