{"id":"RUSTSEC-2026-0262","title":"`append-only-vec` 0.1.9 was removed from crates.io due to a malicious dependency","summary":"`append-only-vec` 0.1.9 was removed from crates.io due to a malicious dependency","severity":"none","vendor":"append-only-vec","product":"append-only-vec","ecosystem":"rust","affected":["append-only-vec >= 0.1.9-0"],"published":"2026-08-20","updated":"2026-08-20","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0262","references":[{"url":"https://crates.io/crates/append-only-vec"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0262.html"},{"url":"https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref"}],"tags":["osv","rust"],"ingestedAt":"2026-08-20T19:23:09.908Z","slug":"RUSTSEC-2026-0262","body":"## Overview\n\nA new version of the `append-only-vec` crate was published with a direct dependency\non `proc-macro1`, which would execute a malicious build script.\n\nThis compromised version was published on 2026-08-20 and removed approximately\n107 minutes later, with no evidence of actual usage.\n\n## Affected packages\n\n- `append-only-vec >= 0.1.9-0`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}