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CVE-2026-21836— HCL DominoIQ is affected by broken access control

Quick assessment

Affected
HCLSoftware DominoIQ
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 DominoIQ是印度HCL公司的一个集成人工智能能力与企业协作功能的智能化业务平台。 HCL DominoIQ存在安全漏洞，该漏洞源于访问控制失效，可能导致认证攻击者查看敏感数据。

CVSS 6.5 · Medium EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCLSoftware DominoIQ 14.5.1 affected
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I. Basic Information for CVE-2026-21836

Vulnerability Information
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Vulnerability Title
HCL DominoIQ is affected by broken access control
Source: CVE Program / CVE List V5
Vulnerability Description
The HCL DominoIQ RAG feature is affected by a Broken Access Control vulnerability.  Under certain circumstances, document level access restrictions will be ignored when determining what data to return from an AI query.  This could enable an authenticated attacker to view sensitive data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
HCL DominoIQ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL DominoIQ是印度HCL公司的一个集成人工智能能力与企业协作功能的智能化业务平台。 HCL DominoIQ存在安全漏洞，该漏洞源于访问控制失效，可能导致认证攻击者查看敏感数据。
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 DominoIQ 14.5.1 -

II. Public POCs for CVE-2026-21836

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III. Intelligence Information for CVE-2026-21836

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Vendor Advisories for CVE-2026-21836 (1)

IV. Related Vulnerabilities

Same vendor: HCLSoftware
Same weakness: CWE-862

V. Comments for CVE-2026-21836

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