CVE-2026-21827— HCL Connections is vulnerable to an information disclosure vulnerability
Quick assessment
Affected
HCLSoftware Connections
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 Connections是印度HCL公司的一款企业社交协作平台。 HCL Connections 7.0版本和8.0版本存在信息泄露漏洞，该漏洞源于请求数据处理不当，可能导致用户获取其无权获取的敏感信息。
Possible ATT&CK Techniques 1 AI
T1056 · Input CaptureAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HCLSoftware | Connections | 7.0, 8.0 |
affected |
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I. Basic Information for CVE-2026-21827
Vulnerability Information
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Vulnerability Title
HCL Connections is vulnerable to an information disclosure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data they are not entitled to, caused by improper handling of request data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
侵犯隐私
Source: CVE Program / CVE List V5
Vulnerability Title
HCL Connections 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Connections是印度HCL公司的一款企业社交协作平台。 HCL Connections 7.0版本和8.0版本存在信息泄露漏洞，该漏洞源于请求数据处理不当，可能导致用户获取其无权获取的敏感信息。
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 | Connections | 7.0, 8.0 | - |
|
II. Public POCs for CVE-2026-21827
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21827 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-21827
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