MEDIUM 4.1 NVD
CVE-2026-121549
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 p
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 overwrites any file the victim can write.
References
- https://github.com/jarun/nnn
- https://github.com/jarun/nnn/blob/v5.3/plugins/nuke#L280
- https://github.com/jarun/nnn/blob/v5.3/plugins/pdfread#L9-L10
- https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff
- https://github.com/jarun/nnn/issues/2188
This medium severity vulnerability with a CVSS score of 4.1 was published on 2026-11-03 via NVD.
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