The vulnerability of the quote() function in the shell-quote npm package, which allows a hacker to execute arbitrary code.

The vulnerability of the quote function in the shell-quote npm package is related to the lack of data cleansing measures at the control level. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

CVE-2026-13311

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 On^2 time relative to the number of input tokens. An attacker who can supply an...

Ubuntu 18.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : shell-quote vulnerability (USN-8410-1)

The remote Ubuntu 18.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8410-1 advisory. Akshat Sinha discovered that shell-quote improperly validated object-token inputs. An attacker could possibly use this...

OS Command Injection

shell-quote is vulnerable to OS Command Injection. The vulnerability is due to insufficient validation and escaping of object-token .op inputs in the quote function, which allows an attacker to inject line terminators and execute arbitrary shell commands when the generated output is processed by ...

Arbitrary Command Injection

Overview shell-quote is a package used to quote and parse shell commands. Affected versions of this package are vulnerable to Arbitrary Command Injection via the quote function when object-token inputs containing line terminators \n, \r, U+2028, U+2029 in the .op field are not properly validated...