A symbolic link (symlink) following vulnerability exists in Hitachi Dynamic Link Manager for Linux versions from 8.6.2.-00 up to but not including 9.0.5-00. This vulnerability could allow a local attacker with limited privileges to escalate their privileges and cause a complete compromise of confidentiality, integrity, and availability. The vulnerability is tracked as CVE-2026-91763 and has a high severity score of 8.2.