{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.0.0-0"}],"component":"proc-macro1","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":[],"id":"tcs_01M5KFC3QV1NQW5FK5PMT4H4EB","modified_at":"2026-08-21T06:30:03.173607233Z","published_at":"2026-08-20T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0265","https://crates.io/crates/proc-macro1","https://rustsec.org/advisories/RUSTSEC-2026-0265.html","https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0265","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0265"}],"summary":"`proc-macro1` was removed from crates.io due to malicious code"}