cvedb.io
CVE-2026-23893
MEDIUM · CVSS 6.8
EPSS exploitation probability: 0%
Published 2026-01-22T01:15:52.310 · Last modified 2026-06-17T10:22:16.260

Summary

openCryptoki is a PKCS#11 library and provides tooling for Linux and AIX. Versions 2.3.2 and above are vulnerable to symlink-following when running in privileged contexts. A token-group user can redirect file operations to arbitrary filesystem targets by planting symlinks in group-writable token directories, resulting in privilege escalation or data exposure. Token and lock directories are 0770 (group-writable for token users), so any token-group member can plant files and symlinks inside them. When run as root, the base code handling token directory file access, as well as several openCryptoki tools used for administrative purposes, may reset ownership or permissions on existing files inside the token directories. An attacker with token-group membership can exploit the system when an admi

Affected products

opencryptoki_project — opencryptoki

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.