What is CVE-2026-93010?

CVE-2026-93010 is a medium-severity vulnerability in Red Hat Ceph Storage 9, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-29.

How severe is CVE-2026-93010?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Red Hat Ceph Storage 9

CVE-2026-93010

A flaw was found in dnsmasq. When DHCP leasequery is enabled without listing allowed source addresses, the server does not check who sent the query. A host on the local network can request DHCP lease records and learn assigned addresses, MAC addresses, hostnames, and related lease metadata. The feature is off unless an administrator turns it on.

Vulnerability class: Broken Access Control

Published 2026-10-29 · last modified 2026-10-29.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

access.redhat.com/security/cve/CVE-2026-93010 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-93010?: CVE-2026-93010 is a medium-severity vulnerability in Red Hat Ceph Storage 9, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-29.
How severe is CVE-2026-93010?: Medium severity. CVSS v3 base score is 4.3 out of 10.