CVE-2026-121549 nnn through 5.3 Insecure Temporary File Symlink Overwrite via pdfread and nuke Plugins

nnn through 5.3 contains an insecure temporary file vulnerability in the pdfread and nuke plugins that allows local attackers to overwrite files by exploiting predictable paths in /tmp. Attackers can pre-create a symlink at the name-derived or PID-derived path so the victim's plugin truncates and...