UBUNTU-CVE-2026-8723

Summary qs.stringify throws TypeError when called with arrayFormat: 'comma' and encodeValuesOnly: true on an array containing null or undefined. The throw is synchronous and not handled by any of qs's null-related options skipNulls, strictNullHandling. Details In the comma + encodeValuesOnly...

CVE-2026-8723

The CVE describes a bug in the qs library where tstringifying an object with arrayFormat: 'comma' and encodeValuesOnly: true fails if an array contains null or undefined. The failure is a synchronous TypeError caused by missing null guard in the encoding path: the code maps values with the encode...