{"id":"RUSTSEC-2025-0160","aliases":[],"status":"published","title":"`custom-req-on-workers` was removed from crates.io for malicious code","description":"`custom-req-on-workers` was part of a campaign that attempted to exfiltrate\nenvironmental data from the host.\n\nThe malicious crate had 1 version published in January 2025, and had no\nevidence of actual usage. This crate had no dependencies on crates.io.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2025-01-30T12:00:00Z","modified":"2026-03-30T21:45:10Z","affected":[{"source":"osv","ecosystem":"crates.io","package":"custom-req-on-workers","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}]}],"references":[{"url":"https://crates.io/crates/custom-req-on-workers","tags":["package"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2025-0160.html","tags":["advisory"]}],"sources":{"osv":[{"id":"RUSTSEC-2025-0160","title":"`custom-req-on-workers` was removed from crates.io for malicious code","description":"`custom-req-on-workers` was part of a campaign that attempted to exfiltrate\nenvironmental data from the host.\n\nThe malicious crate had 1 version published in January 2025, and had no\nevidence of actual usage. This crate had no dependencies on crates.io.","status":"published","published":"2025-01-30T12:00:00Z","modified":"2026-03-30T21:45:10.157916Z","updated_at":"2026-11-02T15:53:40.430679Z"}]}}