What’s Vulnerable › Vulnerabilities

CVE-2026-85690: Plandex 2.2.1 Path Traversal via ApplyFiles

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-23
• Weakness: CWE-22

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.

Affected products

• plandex-ai plandex: through 2.2.1

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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