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RUSTSEC-2026-0466

build_dep was removed from crates.io for malicious code

Reported
Issued
Package
build_dep
Type
Vulnerability
Categories
Patched
no patched versions

Description

build_dep attempted to send telemetry from the build environment to an arbitrary URL.

The malicious crate had 1 version published on 2025-03-03, approximately 20 months before removal, and had no evidence of actual usage. This crate had no dependencies on crates.io.

Thanks to Bitbison for the report.

Advisory available under CC0-1.0 license.