CVE-2023-32187: k3s

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An Allocation of Resources Without Limits or Throttling vulnerability in SUSE k3s allows attackers with access to K3s servers' apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects k3s: from v1.24.0 before v1.24.17+k3s1, from v1.25.0 before v1.25.13+k3s1, from v1.26.0 before v1.26.8+k3s1, from sev1.27.0 before v1.27.5+k3s1, from v1.28.0 before v1.28.1+k3s1.

Affected products

• k3s k3s: from 1.24.0, before 1.24.17\+k3s1 (fixed in 1.24.17\+k3s1); from 1.25.0, before 1.25.13\+k3s1 (fixed in 1.25.13\+k3s1); from 1.26.0, before 1.26.8\+k3s1 (fixed in 1.26.8\+k3s1); from 1.27.0, before 1.27.5\+k3s1 (fixed in 1.27.5\+k3s1); from 1.28.0, before 1.28.1\+k3s1 (fixed in 1.28.1\+k3s1)

Published 2023-09-18. Last modified 2026-06-17.