Red Hat Security Advisory: cockpit security, bug fix, and enhancement update
Affects Red Hat cockpit security,Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High.
Data as of 3 Nov 2026, 19:31 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.5 |
|---|
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 19 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8cockpit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10cockpit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7cockpit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9cockpit | Affected– | Fixed in– |
| Red Hat OpenShift Dev Spacesdevspaces/udi-base-rhel10 | Affected– | Fixed in– |
| Red Hat OpenShift Dev Spacesdevspaces/udi-base-rhel9 | Affected– | Fixed in– |
Description
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-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via CockpitLang cookie in send_login_html (CVE-2026-76235) Bug Fix(es) and Enhancement(s): * [cockpit] Overview page should not try to read insights-client.json anymore (JIRA:RHEL-246964) 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
- access.redhat.com/errata/RHSA-2026:94485 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2479230 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2519497 (opens in a new tab)
- issues.redhat.com/browse/RHEL-246964 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_94485.json (opens in a new tab)