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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "append-only-vec", "vendor": "droundy", "versions": [{"status": "affected", "version": "0.1.9", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-77650", "lastModified": "2026-08-21T01:17:01.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-08-21T01:17:01.993", "references": [{"source": "cve@mitre.org", "url": "https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref"}, {"source": "cve@mitre.org", "url": "https://github.com/rustsec/advisory-db/issues/3161"}, {"source": "cve@mitre.org", "url": "https://rustsec.org/advisories/RUSTSEC-2026-0262.html"}, {"source": "cve@mitre.org", "url": "https://safedep.io/arrayref-proc-macro1-rust-build-time-malware/"}, {"source": "cve@mitre.org", "url": "https://www.stepsecurity.io/blog/arrayref-rust-crate-supply-chain-attack"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-506"}], "source": "cve@mitre.org", "type": "Primary"}]}

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