What is CVE-2026-21764?

CVE-2026-21764 is a low-severity vulnerability in Hclsoftware Devops Loop, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 3.1/10. Published 2026-07-17.

How severe is CVE-2026-21764?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Hclsoftware Devops Loop

CVE-2026-21764

HCL DevOps Loop is affected by insufficient input validation that allows special characters where they should be restricted. This may result in unintended application behavior under certain conditions.

Published 2026-07-17 · last modified 2026-08-13.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.002 (12.0th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Hclsoftware Devops Loop — versions 2.0.0
Hcltech Devops Loop — versions 2.0.0

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

support.hcl-software.com/csm (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21764?: CVE-2026-21764 is a low-severity vulnerability in Hclsoftware Devops Loop, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 3.1/10. Published 2026-07-17.
How severe is CVE-2026-21764?: Low severity. CVSS v3 base score is 3.1 out of 10.