Red Hat OpenShift mirror registry server-side request forgery

Summaryinfo

A vulnerability described as critical has been identified in Red Hat OpenShift. Impacted is an unknown function of the component mirror registry. Executing a manipulation can lead to server-side request forgery. The identification of this vulnerability is CVE-2026-2377. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Red Hat OpenShift (unknown version). This vulnerability affects an unknown code block of the component mirror registry. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in Red Hat Quay and mirror registry for Red Hat OpenShift. The log export feature in these products allows an authenticated user to specify an arbitrary callback URL. A backend process then makes server-side HTTP requests to this provided URL. This vulnerability, known as Server-Side Request Forgery (SSRF), could allow an attacker to send requests from the application's internal network, potentially leading to the disclosure of sensitive information.

The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2026-2377 since 02/11/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/26/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-20507). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Virtualization Software

Vendor

• Red Hat

Name

• OpenShift

License

• open-source

Website

• Vendor: https://www.redhat.com/

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Once again VulDB remains the best source for vulnerability data.

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