CVE-2026-77651

Summary

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.

Affected Software

Weaknesses

• CWE-506: CWE-506 Embedded Malicious Code

References

• https://blog.rust-lang.org/2026/08/20/supply-chain-attack-on-arrayref
• https://github.com/rustsec/advisory-db/issues/3161
• https://www.stepsecurity.io/blog/arrayref-rust-crate-supply-chain-attack
• https://safedep.io/arrayref-proc-macro1-rust-build-time-malware/
• https://rustsec.org/advisories/RUSTSEC-2026-0260.html

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