CVE-2026-108599: phi 0.1.1 through 0.28.4 contains an improper link resolution vulnerability that allows malicious repositories to bypass

phi 0.1.1 through 0.28.4 contains an improper link resolution vulnerability that allows malicious repositories to bypass workspace_only_writes by exploiting lexical-only path checks in the permission gate. Attackers can commit symlinks pointing outside the workspace and use prompt injection to make the write tool write attacker-influenced content to external files without approval.