Improper access control in WissKI - CVE-2026-13239
Published: June 25, 2026
Vulnerability identifier: #VU135142
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-13239
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: knurg
Affected software:
WissKI
WissKI
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected module does not sufficiently check the submitted parameters via a route. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.
How to mitigate CVE-2026-13239
Install updates from vendor's website.