CVE-2025-46599

Description

CNCF K3s 1.32 before 1.32.4-rc1+k3s1 has a Kubernetes kubelet configuration change with the unintended consequence that, in some situations, ReadOnlyPort is set to 10255. For example, the default behavior of a K3s online installation might allow unauthenticated access to this port, exposing credentials.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: K3s K3s
Published at:
Updated at:

References

Link Tags
https://github.com/f1veT/BUG/issues/2
https://cloud.google.com/kubernetes-engine/docs/how-to/disable-kubelet-readonly-port
https://github.com/k3s-io/k3s/issues/12164
https://github.com/k3s-io/k3s/commit/097b63e588e3c844cdf9b967bcd0a69f4fc0aa0a
https://github.com/k3s-io/k3s/compare/v1.32.3+k3s1...v1.32.4-rc1+k3s1

Frequently Asked Questions

What is the severity of CVE-2025-46599?
CVE-2025-46599 has been scored as a medium severity vulnerability.
How to fix CVE-2025-46599?
To fix CVE-2025-46599, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-46599 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46599 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46599?
CVE-2025-46599 affects K3s K3s.
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