A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metadata endpoint, leading to the disclosure of instance credentials and other sensitive metadata. This bypasses previous security measures for validating IP addresses.
Metrics
Affected Vendors & Products
References
History
Fri, 29 May 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat openshift Container Platform
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| Vendors & Products |
Redhat openshift Container Platform
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Fri, 29 May 2026 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metadata endpoint, leading to the disclosure of instance credentials and other sensitive metadata. This bypasses previous security measures for validating IP addresses. | |
| Title | Openshift/router: openshift/router: cloud metadata ssrf via fqdn-typed endpointslice bypasses destination validation | |
| First Time appeared |
Redhat
Redhat openshift |
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| Weaknesses | CWE-918 | |
| CPEs | cpe:/a:redhat:openshift:4 | |
| Vendors & Products |
Redhat
Redhat openshift |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published: 2026-05-29T09:50:44.429Z
Updated: 2026-05-29T09:50:44.429Z
Reserved: 2026-05-28T06:07:06.564Z
Link: CVE-2026-42965
No data.
Status : Awaiting Analysis
Published: 2026-05-29T11:16:16.923
Modified: 2026-05-29T14:06:47.240
Link: CVE-2026-42965
No data.