CVE-2026-76235
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.
CSIRTS triage
- What
- Two security vulnerabilities in Cockpit allow arbitrary code execution and denial of service.
- Who is affected
- Systems running Cockpit web console for Linux servers are affected.
- Urgency
- High urgency due to arbitrary code execution potential.
- Action
- Apply the security update DSA-6474-1 from Debian.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownDSA-6474-1 cockpit - security updatedebian · 2026-08-27
- highCVE-2026-76235: A memory leak flaw was found in cockpit-ws. The login page handler leaks a heap allocation on …nvd · 2026-08-19
External references
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