Improper Certificate Validation Affecting open-cluster-management.io/ocm/pkg/registration/register package, versions <1.2.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-OPENCLUSTERMANAGEMENTIOOCMPKGREGISTRATIONREGISTER-16316418
- published29 Apr 2026
- disclosed7 Apr 2026
- creditUnknown
Introduced: 7 Apr 2026
CVE-2026-4740 Â (opens in a new tab)How to fix?
Upgrade open-cluster-management.io/ocm/pkg/registration/register to version 1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Certificate Validation via improper validation in the certificate renewal process. An attacker can gain unauthorized access to other managed clusters by forging a client certificate that is accepted by the controller.