CVE-2026-26275: Rust Matches Macro Variable Binding
Using `matches!` or `assert_matches!` with a simple lowercase identifier as the pattern evaluates to `true` unconditionally (or always passes the assertion). In Rust, lowercase identifiers in patterns act as irrefutable variable bindings, bypassing any intended value comparison. This can lead to severe security vulnerabilities if used for validation. If you
Rustgreprules fetch cve-2026-26275-rust-matches-macro-variable-binding --engine opengrepDescription
Using `matches!` or `assert_matches!` with a simple lowercase identifier as the pattern evaluates to `true` unconditionally (or always passes the assertion). In Rust, lowercase identifiers in patterns act as irrefutable variable bindings, bypassing any intended value comparison. This can lead to severe security vulnerabilities if used for validation. If you
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