MEDIUM 4.1 NVD
CVE-2026-122136
Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable fil
Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-<user>-<pid> in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.
References
- https://github.com/romkatv/powerlevel10k
- https://github.com/romkatv/powerlevel10k/blob/v1.20.0/internal/p10k.zsh#L6445-L6452
- https://github.com/romkatv/powerlevel10k/commit/7ddd1b2715c3844275214347a3572ac1fdd6dc39
- https://github.com/romkatv/powerlevel10k/issues/2972
- https://www.vulncheck.com/advisories/powerlevel10k-before-1.20.19-symlink-following-via-in
This medium severity vulnerability with a CVSS score of 4.1 was published on 2026-11-04 via NVD.
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