CVE-2026-76235
highA memory leak flaw was found in cockpit-ws.
A memory leak flaw was found in cockpit-ws. The login page handler leaks a heap allocation on every unauthenticated request that carries a CockpitLang cookie, allowing a remote unauthenticated attacker to exhaust memory on the host and cause a denial of service.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-08-19 13:18
Modified: 2026-11-04 00:17
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-11-04 00:25 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:94485 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:94533 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2026-76235 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2519497 secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 00:25 UTC · record ↗