CVE-2026-21759— HCL Hive is affected by an information exposure vulnerability
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 存在一个信息泄露漏洞，发现其 Swagger 文档被公开暴露。尽管未发现任何敏感信息（例如凭据、个人身份信息），但向未认证用户暴露 API 文档仍可能增加整体攻击面。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local SystemAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HCLSoftware | HCL Hive | 1.0 |
affected |
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I. Basic Information for CVE-2026-21759
Vulnerability Information
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Vulnerability Title
HCL Hive is affected by an information exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
HCL Hive is affected by an information exposure vulnerability where Swagger documentation was found exposed publicly. Although no sensitive information (e.g., credentials, PII) was discovered, exposing API documentation to unauthenticated users can increase the overall attack surface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过Debug信息导致的信息暴露
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HCLSoftware | HCL Hive | 1.0 | - |
|
II. Public POCs for CVE-2026-21759
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21759 (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-2026-21755 | 5.3 MEDIUM | HCL Hive is affected by a missing rate limit |
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-2026-21755
HCL Hive is affected by a missing rate limit -
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
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-2026-21755
HCL Hive is affected by a missing rate limit -
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
Same weakness: CWE-215
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V. Comments for CVE-2026-21759
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