cockpit: Cockpit enables users to administer GNU/Linux servers using a web browser
CVE-2026-91147 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2026-91147, released September 26, 2026. It is not reported as exploited. Patch Radar priority: High.
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: Denial of Service in `cockpit-ws` due to URL-root handling without a trailing slash (CVE-2026-91147) * cockpit: Cockpit: Denial of Service via unbounded connection thread spawning (CVE-2026-91149) * cockpit-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via CockpitLang cookie in send_login_html (CVE-2026-76235) 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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cockpit · Debian 14 | 368-1 | DEBIAN-CVE-2026-91147 | Sep 26, 2026 |
| cockpit · RHEL 8 | 0:310.10-1.el8_10 | RHSA-2026:94485 | Nov 4, 2026 |
| cockpit · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit · almalinux 8 | 310.10-1.el8_10 | ALSA-2026:94485 | Nov 7, 2026 |
| cockpit · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit · ol 8 | 0:310.10-1.0.1.el8_10 | ELSA-2026-94485 | Nov 7, 2026 |
| cockpit · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit · rocky 8 | 0:310.10-1.el8_10 | RLSA-2026:94485 | Nov 7, 2026 |
| cockpit · rocky 9 | 0:356.4-1.el9_8.rocky.0.1 | RLSA-2026:94533 | Nov 7, 2026 |
| cockpit-bridge · RHEL 8 | 0:310.10-1.el8_10 | RHSA-2026:94485 | Nov 4, 2026 |
| cockpit-bridge · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-bridge · almalinux 8 | 310.10-1.el8_10 | ALSA-2026:94485 | Nov 7, 2026 |
| cockpit-bridge · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-bridge · ol 8 | 0:310.10-1.0.1.el8_10 | ELSA-2026-94485 | Nov 7, 2026 |
| cockpit-bridge · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-doc · RHEL 8 | 0:310.10-1.el8_10 | RHSA-2026:94485 | Nov 4, 2026 |
| cockpit-doc · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-doc · almalinux 8 | 310.10-1.el8_10 | ALSA-2026:94485 | Nov 7, 2026 |
| cockpit-doc · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-doc · ol 8 | 0:310.10-1.0.1.el8_10 | ELSA-2026-94485 | Nov 7, 2026 |
| cockpit-doc · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-packagekit · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-packagekit · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-packagekit · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-storaged · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-storaged · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-storaged · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-system · RHEL 8 | 0:310.10-1.el8_10 | RHSA-2026:94485 | Nov 4, 2026 |
| cockpit-system · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-system · almalinux 8 | 310.10-1.el8_10 | ALSA-2026:94485 | Nov 7, 2026 |
| cockpit-system · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-system · ol 8 | 0:310.10-1.0.1.el8_10 | ELSA-2026-94485 | Nov 7, 2026 |
| cockpit-system · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-ws · RHEL 8 | 0:310.10-1.el8_10 | RHSA-2026:94485 | Nov 4, 2026 |
| cockpit-ws · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-ws · almalinux 8 | 310.10-1.el8_10 | ALSA-2026:94485 | Nov 7, 2026 |
| cockpit-ws · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-ws · ol 8 | 0:310.10-1.0.1.el8_10 | ELSA-2026-94485 | Nov 7, 2026 |
| cockpit-ws · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
| cockpit-ws-selinux · RHEL 9 | 0:356.4-1.el9_8 | RHSA-2026:94533 | Nov 4, 2026 |
| cockpit-ws-selinux · almalinux 9 | 356.4-1.el9_8 | ALSA-2026:94533 | Nov 7, 2026 |
| cockpit-ws-selinux · ol 9 | 0:356.4-1.0.1.el9_8 | ELSA-2026-94533 | Nov 7, 2026 |
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