{"id":"CVE-2026-77650","aliases":["EUVD-2026-63779","GHSA-m5g8-cx2h-cvrh","UBUNTU-CVE-2026-77650"],"status":"published","title":"The append-only-vec crate 0.1.9 for Rust can trigger execution of malicious code when compiling a...","description":"The append-only-vec crate 0.1.9 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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00801,"percentile":0.56899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-506"],"published":"2026-08-21T00:40:26Z","modified":"2026-10-18T20:10:00Z","affected":[{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rust-append-only-vec","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.7-2","0.1.7-3","0.1.8-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rust-append-only-vec","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.7-1","0.1.7-2"]}],"products":[{"vendor":"droundy","product":"append-only-vec"}],"references":[{"url":"https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref","tags":["report"]},{"url":"https://github.com/rustsec/advisory-db/issues/3161"},{"url":"https://www.stepsecurity.io/blog/arrayref-rust-crate-supply-chain-attack"},{"url":"https://safedep.io/arrayref-proc-macro1-rust-build-time-malware/"},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0262.html","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77650"},{"url":"https://safedep.io/arrayref-proc-macro1-rust-build-time-malware"},{"url":"https://github.com/advisories/GHSA-m5g8-cx2h-cvrh"},{"url":"https://ubuntu.com/security/CVE-2026-77650","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-77650","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-77650","description":"The append-only-vec crate 0.1.9 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.","status":"published","published":"2026-08-21T00:40:26.467Z","modified":"2026-08-21T13:20:06.921Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-506"],"updated_at":"2026-11-02T14:20:16.072351Z"}],"euvd":[{"id":"EUVD-2026-63779","description":"The append-only-vec crate 0.1.9 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 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append-only-vec crate 0.1.9 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.","status":"published","published":"2026-08-21T01:17:01.993Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-506"],"updated_at":"2026-11-02T14:12:40.302911Z"}],"osv":[{"id":"UBUNTU-CVE-2026-77650","description":"The append-only-vec crate 0.1.9 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.","status":"published","published":"2026-08-21T01:17:00Z","modified":"2026-10-17T13:01:08.218137228Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:57:18.015985Z"}]}}