CVE-2026-122136

MediumCVSS 4.4/10Last modified Nov 9, 2026

Description

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.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-59

Affected software

Vendor	Product	Versions
romkatv	powerlevel10k	< 1.20.19

References

Timeline

Published: Nov 4, 2026
Last modified: Nov 9, 2026
NVD status: Deferred

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