CVE-2026-35095

KTM System e-BOK allows the session identifier to be set by the client prior to authentication. If a cookie with a valid name is set, its value remains unchanged after successful login. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session. This issue was fixed in the patch published in June 2026.

• CWE-384

• https://cert.pl/posts/2026/06/CVE-2026-35095/
• https://ktmsystem.pl/internetowe-biuro-obslugi-klienta/

Published

Jun 30, 2026

Last Modified

Jun 30, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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