CVE-2026-35095
Medium
Description
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.
SeverityMedium
CVSS4.8
Exploit probability—
Producte-BOK
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-384CWE-384
How to fix
Update
- KTM System e-BOK06.2026 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| KTM System e-BOK | v < 06.2026 | 06.2026 |
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