CVE-2026-85690

CVE-2026-85690

Plandex 2.2.1 contains a path traversal vulnerability in the ApplyFiles function that allows attackers to write files outside the project directory. Attackers can influence model output through poisoned repository files or attacker-controlled context to write to arbitrary locations like shell rc or cron files, achieving code execution.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85690?
CVE-2026-85690 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 7.8/10. Published 2026-09-04.
How severe is CVE-2026-85690?
High severity. CVSS v3 base score is 7.8 out of 10.