What is CVE-2026-21836?

CVE-2026-21836 is a medium-severity vulnerability in Hclsoftware Dominoiq, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-20.

How severe is CVE-2026-21836?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Hclsoftware Dominoiq

CVE-2026-21836

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 a…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Hclsoftware Dominoiq — versions 14.5.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

psirt@hcl.com

Frequently asked questions

What is CVE-2026-21836?: CVE-2026-21836 is a medium-severity vulnerability in Hclsoftware Dominoiq, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-20.
How severe is CVE-2026-21836?: Medium severity. CVSS v3 base score is 6.5 out of 10.