Link following in Opencryptoki - CVE-2026-23893
Published: January 20, 2026
Vulnerability identifier: #VU121687
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23893
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Opencryptoki Project
Affected software:
Opencryptoki
Opencryptoki
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an insecure link following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with root privileges when an administrator runs a PKCS#11 application.
How to mitigate CVE-2026-23893
Install updates from vendor's website.