Rust Supply-Chain Attack: arrayref, internment, and append-only-vec Poisoned by the proc-macro1 Build-Time Dropper
Classification: Critical, Solution: Official Fix, Exploit Maturity: Proof-of-Concept, CVSSv3.1: 9.8, CVEs: CVE-2026-77649, CVE-2026-77650, CVE-2026-77651, Summary: CVE-2026-77649: The internment crate 0.8.7 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. CVE-2026-77650: The append-only-vec crate 0.1.9 for Rust can trigger execution…
EPSS 0.00 CVSS 9.8 CVE-2026-77649 CVE-2026-77650 CVE-2026-77651 internment append-only-vec arrayref FI