CVE-2026-4948

A flaw was found in firewalld. A local unprivileged user can exploit this vulnerability by mis-authorizing two runtime D-Bus (Desktop Bus) setters, setZoneSettings2 and setPolicySettings. This mis-authorization allows the user to modify the runtime firewall state without proper authentication, leading to unauthorized changes in network security configurations.

• CWE-279

• https://access.redhat.com/errata/RHBA-2026:28238
• https://access.redhat.com/security/cve/CVE-2026-4948Mitigation, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2452086Issue Tracking, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2026/05/msg00029.html

Published

Mar 27, 2026

Last Modified

Jul 30, 2026

Status

Modified

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