How severe is CVE-2026-21764?

CVE-2026-21764 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-21764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21764?

CVE-2026-21764 affects Hcltech Devops Loop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21764?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-21764 published?

CVE-2026-21764 was published on 2026-07-17 and last updated on 2026-08-13.

CVE-2026-21764

CVE-2026-21764 is a low-severity vulnerability in Hcltech Devops Loop with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Hcltech Devops Loop
Published: 2026-07-17
Last modified: 2026-08-13

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-21764?: CVE-2026-21764 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-21764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21764?: CVE-2026-21764 affects Hcltech Devops Loop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-21764 published?: CVE-2026-21764 was published on 2026-07-17 and last updated on 2026-08-13.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132296

Affected products (1)

cpe:2.3:a:hcltech:devops_loop:2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Hcltech Devops Loop

CVE-2026-21760 — Medium (CVSS 4.6): HCL DevOps Loop is affected by an Unauthorized Access to Admin Functionality (Forced Browsing) vulnerability. Improper…
CVE-2026-21761 — Medium (CVSS 4.2): HCL DevOps Loop is affected by a Cross-Origin Resource Sharing (CORS) misconfiguration. Improper CORS configuration may…
CVE-2026-21762 — Low (CVSS 3.7): HCL DevOps Loop is affected by missing HTTP security headers. Missing security headers may reduce browser protections…

All CVEs affecting Hcltech Devops Loop →

Other CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities

CVE-2026-24054 — Critical (CVSS 10.0): Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs)…
CVE-2021-0211 — Critical (CVSS 10.0): An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing…
CVE-2026-8091 — Critical (CVSS 9.8): Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150,…
CVE-2025-38566 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix handling of server side tls…
CVE-2024-52316 — Critical (CVSS 9.8): Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta…
CVE-2024-7826 — Critical (CVSS 9.8): Improper Check for Unusual or Exceptional Conditions vulnerability in Webroot SecureAnywhere - Web Shield on Windows,…

Browse all CWE-754 (Improper Check for Unusual or Exceptional Conditions) vulnerabilities →