CVE-2026-35095 Session fixation in KTM System e-BOK
Attackers can hijack authenticated sessions by fixing session IDs before login, allowing unauthorized access to user accounts in KTM System e-BOK.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-35095?
CVE-2026-35095 is a medium-severity authentication bypass vulnerability in KTM System e-BOK, published on 30 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-384
Which versions are affected by CVE-2026-35095?
How do I fix CVE-2026-35095?
No fix has been published for CVE-2026-35095 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-35095 being exploited?
There is no known exploitation of CVE-2026-35095 in the wild and no public exploit code.
Sources
Also known as GHSA-7vjj-gwc4-wgq7.