CVE-2026-50237 Server-side request forgery in Red Hat OpenShift Container Platform 4.12
Namespace tenants can exploit SSRF in the Helm catalog proxy to bypass egress restrictions and escalate privileges via admin-mediated chart installation.
- 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-2026-50237?
CVE-2026-50237 is a high-severity server-side request forgery vulnerability in Red Hat OpenShift Container Platform 4.12, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Server-Side Request Forgery and supply chain flaw was found in the OpenShift Console Helm catalog proxy. A namespace tenant can plant a ProjectHelmChartRepository with an arbitrary URL that the console pod fetches server-side, bypassing tenant egress restrictions. Combined with catalog metadata poisoning and admin-mediated chart installation, this enables privilege escalation.
Weakness: CWE-918
Which versions are affected by CVE-2026-50237?
How do I fix CVE-2026-50237?
No fix has been published for CVE-2026-50237 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-50237 being exploited?
There is no known exploitation of CVE-2026-50237 in the wild and no public exploit code.
Sources
Also known as GHSA-5mvj-m7fw-m49w.