Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-63623

A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with overly permissive file creation settings, a…

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-63623?
CVE-2026-63623 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-08-10.
How severe is CVE-2026-63623?
Medium severity. CVSS v3 base score is 5.5 out of 10.