CVE record · CVE-2026-4802

Cockpit: cockpit: arbitrary command execution via crafted links in system logs ui

CVSS 8.0 HighEPSS 0.010 · 63rd percentile

Published by the CVE Program (CNA: redhat) at 11 May 2026, 12:48 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10 Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:356.2-1.el10_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:334.2-1.el10_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:310.8-1.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:264.3-1.el8_6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:264.3-1.el8_6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:264.3-1.el8_6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:286.2-1.el8_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:286.2-1.el8_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:356.2-1.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:356.2-1.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:264.3-1.el9_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:286.3-1.el9_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:311.3-1.el9_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	unaffected 0:334.3-1.el9_6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Package name: cockpit https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2026-4802
CNA: redhat
Weakness (CWE): CWE-78
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Command injection
Published: 11 May 2026
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.0	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	CNA (redhat)Used for this record
8.0	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

11 May 2026, 12:48 UTC Confirmed by the CVE List
11 May 2026, 14:16 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:21390 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21392 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21394 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21395 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21468 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21515 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21516 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21647 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21676 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:21700 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-4802 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2451155 issue-trackingredhat
github.com/cockpit-project/cockpit/blob/e204cd130/pkg/systemd/logsJournal.jsx#L206-L210

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.