# CVE-2026-4948

## Summary

- **CVE ID:** CVE-2026-4948
- **Severity:** MEDIUM
- **CVSS Score:** 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
- **CWE:** CWE-279
- **Published:** Mar 27, 2026
- **Last Modified:** Sep 1, 2026

## 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.

## Affected Products

- Red Hat — Red Hat Enterprise Linux 10 (0:2.4.2-1.el10_2)

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-4948)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2452086)
- [CVE](https://lists.debian.org/debian-lts-announce/2026/05/msg00029.html)
- [CNA](https://access.redhat.com/errata/RHBA-2026:28238)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._