{"cve":"CVE-2026-77651","nvd":{"published":"2026-08-21T01:17:02.140","modified":"2026-10-18T20:10:00.110","status":"Deferred","description":"The arrayref crate 0.3.10 for Rust can trigger execution of malicious code when compiling a project that uses the crate, because it has a rogue dependency that registers with a command-and-control server to offer arbitrary code execution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-506"],"references":["https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref","https://github.com/rustsec/advisory-db/issues/3161","https://rustsec.org/advisories/RUSTSEC-2026-0260.html","https://safedep.io/arrayref-proc-macro1-rust-build-time-malware/","https://www.stepsecurity.io/blog/arrayref-rust-crate-supply-chain-attack"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-77651","score":0.00801,"percentile":0.56358,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}