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CVE-2026-35095

Session fixation in KTM System e-BOK

MEDIUM
4.8
CVSS Score
Published: June 30, 2026 at 01:37 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
1 product affected across 1 vendore-BOK

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

e-BOK· Ktm System
90%
v < 06.2026
Affected range stops below 06.2026, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: cverecord
https://cert.pl/posts/2026/06/CVE-2026-35095/
Product
Source: cverecord
https://ktmsystem.pl/internetowe-biuro-obslugi-klienta/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-384

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