CVE-2026-56862
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Aug 13, 2026
Vendor
unknown
Description
Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely.