CVE-2025-2586 Ols: unauthenticated metrics flooding in openshift lightspeed service leading to resource exhaustion
Unauthenticated attackers can flood metrics endpoints to exhaust resources, causing service degradation and potential unavailability in OpenShift Lightspeed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2586?
CVE-2025-2586 is a high-severity denial of service vulnerability in Red Hat OpenShift Lightspeed, published on 31 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in the OpenShift Lightspeed Service, which is vulnerable to unauthenticated API request flooding. Repeated queries to non-existent endpoints inflate metrics storage and processing, consuming excessive resources. This issue can lead to monitoring system degradation, increased disk usage, and potential service unavailability. Since the issue does not require authentication, an external attacker can exhaust CPU, RAM, and disk space, impacting both application and cluster stability.
Weakness: CWE-400
Which versions are affected by CVE-2025-2586?
How do I fix CVE-2025-2586?
No fix has been published for CVE-2025-2586 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-2586 being exploited?
There is no known exploitation of CVE-2025-2586 in the wild and no public exploit code.
Sources
Also known as GHSA-wghr-cv2x-3xm8.