{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77650", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-08-21T00:40:26.113Z", "datePublished": "2026-08-21T00:40:26.467Z", "dateUpdated": "2026-08-21T13:20:06.921Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "append-only-vec", "vendor": "droundy", "versions": [ { "status": "affected", "version": "0.1.9", "versionType": "semver" } ] } ], "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." } ], "metrics": [ { "cvssV3_1": { "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" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-506", "description": "CWE-506 Embedded Malicious Code", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-21T00:40:26.467Z" }, "references": [ { "url": "https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref" }, { "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" } ], "x_generator": { "engine": "CVE-Request-form 0.0.1" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-21T13:18:56.634996Z", "id": "CVE-2026-77650", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-21T13:20:06.921Z" } } ] } }