{"id":"CVE-2026-4948","title":"A flaw was found in firewalld","summary":"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 …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-279"],"vendor":"firewalld","product":"firewalld","affected":["firewalld <= 2.4.0","enterprise_linux = 7.0"],"published":"2026-03-27","updated":"2026-09-16","sourceUpdated":"2026-09-16T13:18:01.110","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-4948","references":[{"url":"https://access.redhat.com/errata/RHBA-2026:28238","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:67585","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:67843","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-4948","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452086","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2026/05/msg00029.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4948.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-4948"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4948"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00124,"epssPercentile":0.02445,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-03-27T11:21:05.300360Z"},"ingestedAt":"2026-07-28T14:36:37.987Z","patched":["enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_9","enterprise_linux_baseos_eus_v_10_0","enterprise_linux_baseos_v_10","enterprise_linux_baseos_v_9"],"slug":"CVE-2026-4948","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `firewalld <= 2.4.0`\n- `enterprise_linux = 7.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:67843** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux BaseOS EUS (v. 10.0) · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:67843)\n- **RHBA-2026:28238** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-06-23 · [advisory](https://access.redhat.com/errata/RHBA-2026:28238)\n- **RHSA-2026:67585** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67585)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4 · updated 2026-09-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4948.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}