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 存在缺少速率限制的问题，攻击者可利用该漏洞通过暴力破解或凭证填充等方式获得未经授权的访问权限，或导致服务拒绝。
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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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCLSoftware | HCL Hive | 1.0 | - |
|
II. Public POCs for CVE-2026-21755
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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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
-
CVE-2025-68825
HCL Hive is affected by incorrect default permissions -
CVE-2026-21752
HCL Hive is affected by a use of vulnerable third-party comp -
CVE-2025-68833
HCL Hive is affected by use of a cryptographic primitive wit -
CVE-2026-21751
HCL Hive is affected by use of a cryptographic primitive wit -
CVE-2026-21756
HCL Hive is affected by a broken access control vulnerabilit
Same vendor: HCLSoftware
-
CVE-2025-68825
HCL Hive is affected by incorrect default permissions -
CVE-2026-21752
HCL Hive is affected by a use of vulnerable third-party comp -
CVE-2025-68833
HCL Hive is affected by use of a cryptographic primitive wit -
CVE-2026-21751
HCL Hive is affected by use of a cryptographic primitive wit -
CVE-2026-21756
HCL Hive is affected by a broken access control vulnerabilit
Same weakness: CWE-307
-
CVE-2026-75575
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phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Thr -
CVE-2026-73529
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karakeep-app karakeep Login Endpoint auth.ts authorize exces
V. Comments for CVE-2026-21755
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