CVE-2026-21766— HCL Digital Experience and Digital Experience Compose insufficiently protects credentials
Quick assessment
Affected
HCLSoftware HCL Digital Experience and Digital Experience Compose
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 Digital Experience是印度HCL公司的一款企业级数字体验管理软件。 HCL Digital Experience and Digital Experience Compose 9.5版本存在安全漏洞，该漏洞源于默认登录portlet对凭据保护不足，可能导致敏感信息写入Web服务器日志。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud StorageAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HCLSoftware | HCL Digital Experience and Digital Experience Compose | 9.5 |
affected |
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I. Basic Information for CVE-2026-21766
Vulnerability Information
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Vulnerability Title
HCL Digital Experience and Digital Experience Compose insufficiently protects credentials
Source: CVE Program / CVE List V5
Vulnerability Description
The default login portlet in HCL Digital Experience and Digital Experience Compose insufficiently protects credentials. Under certain very specific use cases and specific configurations, sensitive information may be written to web server logs. This only affects applications using the default login portlet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
HCL Digital Experience 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Digital Experience是印度HCL公司的一款企业级数字体验管理软件。 HCL Digital Experience and Digital Experience Compose 9.5版本存在安全漏洞，该漏洞源于默认登录portlet对凭据保护不足，可能导致敏感信息写入Web服务器日志。
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 Digital Experience and Digital Experience Compose | 9.5 | - |
|
II. Public POCs for CVE-2026-21766
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21766 (1)
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V. Comments for CVE-2026-21766
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