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High 8.1CVE-2026-102422 Public exploit
shell-quote `quote()` command injection via a line terminator in a token after a `{ comment }` token
shell-quote's `quote()` function emits a `{ comment }` token as `#` followed by its text, which comments out the rest of the shell line, including the opening quote of any later string token. A line terminator (\n, \r, U+2028, U+2029) in that later string the…
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High 7.5
shell-quote parse() is quadratic in token count, enabling denial of service
shell-quote prior to 1.8.5 finalizes parsed tokens in parse() using Array.prototype.concat as a reduce accumulator, which reallocates and copies the entire growing array on every iteration. As a result parse() runs in O(n^2) time relative to the number of inp…
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High 8.1CVE-2026-9277 Public exploit
shell-quote `quote()` does not validate object-token shapes, allowing command injection via line terminators in `.op`
shell-quote's `quote()` function did not validate object-token inputs against the operator model used by `parse()`. The `.op` field was backslash-escaped character by character using `/(.)/g`, which in JavaScript does not match line terminators (\n, \r, U+202…
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Critical 9.8
Improper Neutralization of Special Elements used in a Command in Shell-quote
The shell-quote package before 1.7.3 for Node.js allows command injection. An attacker can inject unescaped shell metacharacters through a regex designed to support Windows drive letters. If the output of this package is passed to a real shell as a quoted arg…