CVE-2026-4948

Name: CVE-2026-4948
Creator: NVD / NIST
Published: 2026-03-27T06:16:39.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2026-4948 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.12%

2.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-279

Affected Software

Vendor	Product	Versions
Firewalld	Firewalld	<= 2.4.0
Redhat	Enterprise Linux	7.0

References

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

Timeline

Published: Mar 27, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-4948?

How severe is CVE-2026-4948?

CVE-2026-4948 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4948?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4948?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST