High severity7.5NVD Advisory· Published Nov 11, 2026· Updated Nov 11, 2026
CVE-2026-91150
CVE-2026-91150
Description
A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws service.
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Affected products
2Patches
Vulnerability mechanics
References
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