What is CVE-2026-13322?

CVE-2026-13322 is a low-severity vulnerability in Kubevirt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.8/10. Published 2026-06-26.

How severe is CVE-2026-13322?

Low severity. CVSS v3 base score is 3.8 out of 10.

Resource exhaustion in Kubevirt

CVE-2026-13322

A flaw was found in KubeVirt's downward metrics virtio-serial server. The server reads guest requests using textproto.Reader.ReadLine(), which buffers input indefinitely until a newline character is received, with no length limit or read d…

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

secalert@redhat.com (x_refsource_REDHAT, Mitigation, vdb-entry, Vendor Advisory)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13322?: CVE-2026-13322 is a low-severity vulnerability in Kubevirt, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.8/10. Published 2026-06-26.
How severe is CVE-2026-13322?: Low severity. CVSS v3 base score is 3.8 out of 10.