CVE-2026-21754— HCL Hive is affected by multiple security vulnerabilities.
Quick assessment
Affected
HCL Software 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 存在多项基础设施和网络配置漏洞，这些漏洞可能导致未经授权的水平移动、容器逃逸以及内部通信中的敏感数据泄露。
Possible ATT&CK Techniques 3 AI
T1046 · Network Service Discovery T1557 · Adversary-in-the-Middle T1570 · Lateral Tool Transfer
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I. Basic Information for CVE-2026-21754
Vulnerability Information
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Vulnerability Title
HCL Hive is affected by multiple security vulnerabilities.
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
没有’HttpOnly’标志的敏感Cookie
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCL Software | Hive | V1.0 | - |
|
II. Public POCs for CVE-2026-21754
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-21754 (1)
Same Patch Batch · HCL Software · 2026-08-25 · 3 CVEs total
| CVE-2026-21753 | 4.2 MEDIUM | HCL Hive is affected by multiple security vulnerabilities. |
| CVE-2026-21758 | 3.7 LOW | HCL Hive is affected by multiple security vulnerabilities. |
IV. Related Vulnerabilities
Same product: Hive
Same vendor: HCL Software
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CVE-2026-21753
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CVE-2026-21758
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Same weakness: CWE-1004
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HTTP Security Misconfiguration - Lacking Secure and HTTPOnly
V. Comments for CVE-2026-21754
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