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Alerts This Week
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Fedora 42 Cockpit Moderate Hostname Management Vulnerability CVE-2026-4631

fedora
Calendar Grey April 28, 2026
Dist Fedora Esm H88
Fedora 42 cockpit advisory addressing hostname handling improvements to enhance security via CVE-2026-4631.
ws: be more explicit when handling hostnames on cli [CVE-2026-4631]

Summary

The Cockpit Web Console enables users to administer GNU/Linux servers using a

web browser.

It offers network configuration, log inspection, diagnostic reports, SELinux

troubleshooting, interactive command-line sessions, and more.

Update Information:

ws: be more explicit when handling hostnames on cli [CVE-2026-4631]

Change Log

* Fri Apr 10 2026 Jelle van der Waa - 357-2 - ws: be more explicit when handling hostnames on cli (CVE-2026-4631)

References

Fedora Update Notification FEDORA-2026-134819a61b 2026-04-28 01:11:18.587340+00:00 Name : cockpit Product : Fedora 42 Version : 357 Release : 2.fc42 URL : https://cockpit-project.org/ Summary : Web Console for Linux servers Description : The Cockpit Web Console enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-134819a61b' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: cockpit
Product: Fedora 42
Version: 357
Release: 2.fc42
Summary: Web Console for Linux servers

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