CVE-2026-9277 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+2028, U+2029. A line terminator in .op therefore passed...

PT-2026-42766

Name of the Vulnerable Software and Affected Versions shell-quote versions prior to 1.8.4 Description The quote function fails to validate object-token inputs against the operator model used by parse. Specifically, the .op field is escaped using a regular expression that does not match line...