Improper access control in Token Content Access - CVE-2026-18259
Published: July 31, 2026
Vulnerability identifier: #VU140577
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-18259
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote attacker can use a timing attack to guess a valid access token and bypass access restrictions on the system.
Affected software
Token Content Access
How to mitigate CVE-2026-18259
Install updates from vendor's website.
Token Content Access - update to 3.1.2