CVEvulnerability
CVE-2026-4802
8.0 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-05-11
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 8.0 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
Description
A flaw was found in Cockpit. This vulnerability allows a remote attacker to achieve arbitrary command execution on the host by exploiting unsanitized user-controlled parameters within crafted links in the system logs user interface (UI). An attacker can inject shell metacharacters and command substitutions into these parameters, leading to the execution of arbitrary shell commands on the affected system. This could result in a complete system compromise.
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://access.redhat.com/errata/RHSA-2026:21390 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21392 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21394 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21395 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21468 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21515 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21516 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21647 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21676 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21700 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-4802 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2451155 bugzilla.redhat.com
- https://github.com/cockpit-project/cockpit/blob/e204cd130/pkg/systemd/logsJournal.jsx#L206-L210 github.com
- http://www.openwall.com/lists/oss-security/2026/05/20/19 www.openwall.com
- https://access.redhat.com/errata/RHSA-2026:21390 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21392 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21394 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21395 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21468 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21515 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21516 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21647 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21676 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:21700 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-4802 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2451155 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4802.json security.access.redhat.com