Red Hat Security Advisory: firewalld security update
Affects Red Hat firewalldSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/firewalldpkg:rpm/redhat/firewalldOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the security update provided by Red Hat for firewalld on Red Hat Enterprise Linux 9.6 and its variants. The update fixes the D-Bus setter mis-authorization vulnerability. Refer to Red Hat's official advisory and update instructions at https://access.redhat.com/articles/11258. No additional mitigation actions are specified or required beyond applying the update.
Description
A security vulnerability (CVE-2026-4948) in firewalld, a firewall service daemon for Red Hat Enterprise Linux 9.6, allows a local unprivileged user to modify the firewall state due to improper D-Bus setter authorization. This issue has been rated as having moderate security impact by Red Hat. A security update addressing this vulnerability is available for Red Hat Enterprise Linux 9.6 Extended Update Support and related variants.