CVE-2026-77649: Critical severity cargo/internment/internment vulnerability
Published Aug 21, 2026
·Updated
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.
Affected Software
1 affected component
cargo/internment/internment=0.8.7
Event History
Aug 21, 2026
CVE Published
via MITRE·12:39 AM
Data Sourced
via MITRE·12:39 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Who is exposed to this issue?
Projects that compile with internment crate version 0.8.7 are exposed. The malicious dependency can execute code during compilation.
2
Does exploitation require an attacker to authenticate, interact with a user, or meet complex conditions?
No. The supplied severity vector identifies network access, low attack complexity, no privileges required, and no user interaction.
3
What level of impact can successful exploitation have?
The stated impact includes high confidentiality, integrity, and availability impact. The rogue dependency registers with a command-and-control server and offers arbitrary code execution.