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Cockpit: Malicious Links Can Execute Unwanted Commands
published 5 months ago
Summary
Cockpit, a web-based server management tool, contains a security flaw that allows hackers to execute malicious commands on servers by tricking users into clicking on specially crafted links in system logs. This could lead to unauthorized access and data compromise. Update Cockpit to the latest version to fix this issue.
What to do
- Update almalinux cockpit to version 310.8-1.el8_10.
- Update almalinux cockpit-bridge to version 310.8-1.el8_10.
- Update almalinux cockpit-doc to version 310.8-1.el8_10.
- Update almalinux cockpit-system to version 310.8-1.el8_10.
- Update almalinux cockpit-ws to version 310.8-1.el8_10.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| AlmaLinux:8 | almalinux | cockpit |
< 310.8-1.el8_10 Fix: upgrade to 310.8-1.el8_10
|
| AlmaLinux:8 | almalinux | cockpit-bridge |
< 310.8-1.el8_10 Fix: upgrade to 310.8-1.el8_10
|
| AlmaLinux:8 | almalinux | cockpit-doc |
< 310.8-1.el8_10 Fix: upgrade to 310.8-1.el8_10
|
| AlmaLinux:8 | almalinux | cockpit-system |
< 310.8-1.el8_10 Fix: upgrade to 310.8-1.el8_10
|
| AlmaLinux:8 | almalinux | cockpit-ws |
< 310.8-1.el8_10 Fix: upgrade to 310.8-1.el8_10
|
Original advisory text
Important: cockpit security update
Cockpit 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.
Security Fix(es):
* cockpit: Cockpit: Arbitrary command execution via crafted links in system logs
UI (CVE-2026-4802)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.
offers network configuration, log inspection, diagnostic reports, SELinux
troubleshooting, interactive command-line sessions, and more.
Security Fix(es):
* cockpit: Cockpit: Arbitrary command execution via crafted links in system logs
UI (CVE-2026-4802)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s)
listed in the References section.
References
- https://access.redhat.com/errata/RHSA-2026:21700 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-4802 Third Party Advisory
- https://errata.almalinux.org/8/ALSA-2026-21700.html Vendor Advisory
Timeline
Published28 May 2026
Updated28 May 2026
First seen28 May 2026
Sources
ALSA-2026:21700 · OSV
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