CVE-2026-21836 MEDIUM

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

Vendor Hclsoftware
Product DominoIQ
Weakness CWE-862 · Missing authorization
Published May 20, 2026
Last update May 21, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 20, 2026 CVE published
May 21, 2026 Record updated