CVE-2026-21761 CORS Misconfiguration in DevOps Loop

Medium 4.2 Published Updated

An attacker can exploit improper CORS settings in HCL DevOps Loop to access sensitive application resources from untrusted domains.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-21761?

CVE-2026-21761 is a medium-severity vulnerability in HCLSoftware DevOps Loop, published on 17 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

HCL DevOps Loop is affected by a Cross-Origin Resource Sharing (CORS) misconfiguration. Improper CORS configuration may allow unauthorized cross-origin requests, potentially exposing application resources to untrusted domains.

Weakness: CWE-942

Which versions are affected by CVE-2026-21761?

It affects 1 product.

Products include Hcltech Devops Loop.

How do I fix CVE-2026-21761?

No fix has been published for CVE-2026-21761 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21761 being exploited?

There is no known exploitation of CVE-2026-21761 in the wild and no public exploit code.

Sources

Also known as GHSA-mvhg-pqfh-v42v.

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