RHSA-2026:21390
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 28 May 2026, 10:07
Last modified:30 Jun 2026, 10:42
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
8 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
28 May 2026, 10:07
Published
Vulnerability first disclosed
30 Jun 2026, 10:42
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: cockpit security update
CVSS Metrics
- v3.1•HIGH•Score: 8CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Systems
- redhat•cockpit
< 0:334.2-1.el10_0
- redhat•cockpit-bridge
< 0:334.2-1.el10_0
- redhat•cockpit-debuginfo
< 0:334.2-1.el10_0
- redhat•cockpit-debugsource
< 0:334.2-1.el10_0
- redhat•cockpit-doc
< 0:334.2-1.el10_0
- redhat•cockpit-packagekit
< 0:334.2-1.el10_0
- redhat•cockpit-storaged
< 0:334.2-1.el10_0
- redhat•cockpit-system
< 0:334.2-1.el10_0
- redhat•cockpit-ws
< 0:334.2-1.el10_0
References (8)
- https://access.redhat.com/errata/RHSA-2026:21390
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2451155
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21390.json
- https://access.redhat.com/security/cve/CVE-2026-4802
- https://www.cve.org/CVERecord?id=CVE-2026-4802
- https://nvd.nist.gov/vuln/detail/CVE-2026-4802
- https://github.com/cockpit-project/cockpit/blob/e204cd130/pkg/systemd/logsJournal.jsx#L206-L210