How severe is CVE-2026-21761?

CVE-2026-21761 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-21761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21761?

CVE-2026-21761 affects Hcltech Devops Loop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21761?

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

When was CVE-2026-21761 published?

CVE-2026-21761 was published on 2026-07-17 and last updated on 2026-08-13.

CVE-2026-21761

CVE-2026-21761 is a medium-severity vulnerability in Hcltech Devops Loop with a CVSS 3.x base score of 4.2. 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-942.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-942
Affected product: Hcltech Devops Loop
Published: 2026-07-17
Last modified: 2026-08-13

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.

Frequently asked questions

What is CVE-2026-21761?: 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.
How severe is CVE-2026-21761?: CVE-2026-21761 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-21761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21761?: CVE-2026-21761 affects Hcltech Devops Loop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-21761 published?: CVE-2026-21761 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-2026-21762 — Low (CVSS 3.7): HCL DevOps Loop is affected by missing HTTP security headers. Missing security headers may reduce browser protections…
CVE-2026-21764 — Low (CVSS 3.1): HCL DevOps Loop is affected by insufficient input validation that allows special characters where they should be…

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Other CWE-942 vulnerabilities

CVE-2022-26969 — Critical (CVSS 9.8): In Directus before 9.7.0, the default settings of CORS_ORIGIN and CORS_ENABLED are true.
CVE-2022-31736 — Critical (CVSS 9.8): A malicious website could have learned the size of a cross-origin resource that supported Range requests. This…
CVE-2026-34449 — Critical (CVSS 9.6): SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code…
CVE-2026-30924 — Critical (CVSS 9.6): qui is a web interface for managing qBittorrent instances. Versions 1.14.1 and below use a permissive CORS policy that…
CVE-2026-9739 — Critical (CVSS 9.4): Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790). During the beta phase, we implemented…
CVE-2026-61736 — Critical (CVSS 9.3): LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORS_ORIGINS=*…

Browse all CWE-942 vulnerabilities →