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Medium severity5.3NVD Advisory· Published Jan 11, 2023· Updated Jun 17, 2026

CVE-2022-46176

CVE-2022-46176

Description

Cargo is a Rust package manager. The Rust Security Response WG was notified that Cargo did not perform SSH host key verification when cloning indexes and dependencies via SSH. An attacker could exploit this to perform man-in-the-middle (MITM) attacks. This vulnerability has been assigned CVE-2022-46176. All Rust versions containing Cargo before 1.66.1 are vulnerable. Note that even if you don't explicitly use SSH for alternate registry indexes or crate dependencies, you might be affected by this vulnerability if you have configured git to replace HTTPS connections to GitHub with SSH (through git's [url..insteadOf][1] setting), as that'd cause you to clone the crates.io index through SSH. Rust 1.66.1 will ensure Cargo checks the SSH host key and abort the connection if the server's public key is not already trusted. We recommend everyone to upgrade as soon as possible.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
cargocrates.io
< 0.67.10.67.1

Affected products

15

Patches

Vulnerability mechanics

References

8

News mentions

0

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