CVE-2026-85690

8.5 highEPSS 0.2%

High (8.5). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-09-04
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/plandex-ai/plandex
https://github.com/plandex-ai/plandex/blob/cli/v2.2.1/app/cli/lib/apply.go
https://github.com/plandex-ai/plandex/issues/352
https://www.vulncheck.com/advisories/plandex-2.2.1-path-traversal-via-applyfiles

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