CVE-2023-53158 — The gix-transport crate before 0

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 exp

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
GitoxideLabs	gix	transport — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2025-07-28T00:00:00.000Z
• Last modified: 2025-07-28T17:24:12.615Z

09References

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