SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityReceived

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.

HIGH 8.5EPSS 0.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0
8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.16% probability · 5th percentile
CISA KEV
Not listed
Weakness
CWE-22
Source
disclosure@vulncheck.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.