CVE-2026-85690CWE-22path-traversal

CVE-2026-85690

High · published September 4, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
9.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
8.5 · 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
EPSS
0.00203 · 9.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-04T19:17Z
References (4)
https://github.com/plandex-ai/plandex · [email protected]https://github.com/plandex-ai/plandex/blob/cli/v2.2.1/app/cli/lib/apply.go · [email protected]https://github.com/plandex-ai/plandex/issues/352 · [email protected]https://www.vulncheck.com/advisories/plandex-2.2.1-path-traversal-via-applyfiles · [email protected]
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 04 SEP 14:32Z
    Plandex 2.2.1 Path Traversal via ApplyFiles
    cvelistv5