CVE-2026-8723

A flaw was found in the qs library. When the qs.stringify function processes arrays containing null or undefined elements, and is configured with both arrayFormat: 'comma' and encodeValuesOnly: true, it can trigger a TypeError. This error causes the application to crash or return a 500 error,...

Security Bulletin:QS.stringify TypeError with arrayFormat: comma and encodeValuesOnly:true on null/undefined Arrays

Summary 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 +...

Security Bulletin: Multiple vulnerabilities affect Data Virtualization on IBM Software Hub (June 2026 - Part 2 of 2)

Summary Multiple vulnerabilities have been addressed in Data Virtualization on IBM Software Hub. Note that Data Virtualization was named Watson Query on IBM Cloud Pak for Data version 4.8. Vulnerability Details CVEID:CVE-2026-34477 DESCRIPTION: The fix for CVE-2025-68161...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in qs-6.14.2.tgz

Summary IBM Watson Discovery Cartridge affected by vulnerability in qs-6.14.2.tgz Vulnerability Details CVEID:CVE-2026-8723 DESCRIPTION: Summary qs.stringify throws TypeError when called with arrayFormat: 'comma' and encodeValuesOnly: true on an array containing null or undefined. The throw is...

EUVD-2026-30674

qs has a remotely triggerable DoS: qs.stringify crashes with TypeError on null/undefined entries in comma-format arrays when encodeValuesOnly is set...

GHSA-Q8MJ-M7CP-5Q26 qs has a remotely triggerable DoS: qs.stringify crashes with TypeError on null/undefined entries in comma-format arrays when encodeValuesOnly is set

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...

qs has a remotely triggerable DoS: qs.stringify crashes with TypeError on null/undefined entries in comma-format arrays when encodeValuesOnly is set

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...

NULL Pointer Dereference

Overview org.webjars.npm:qs is a querystring parser that supports nesting and arrays, with a depth limit. Affected versions of this package are vulnerable to NULL Pointer Dereference in the stringify function, when processing arrays with the options arrayFormat: 'comma' and encodeValuesOnly: true...

NULL Pointer Dereference

Overview qs is a querystring parser that supports nesting and arrays, with a depth limit. Affected versions of this package are vulnerable to NULL Pointer Dereference in the stringify function, when processing arrays with the options arrayFormat: 'comma' and encodeValuesOnly: true that contain nu...

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...

DEBIAN-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...

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

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...

QS Code Issues and Vulnerabilities

QS is a JavaScript library developed by Jordan Harband. Versions of QS from 6.11.1 to 6.15.2 had code vulnerabilities. This vulnerability occurred when calling qs.stringify on an array containing null or undefined, with arrayFormat set to comma and encodeValuesOnly set to true. This resulted in a...

CVE-2026-8723 qs.stringify crashes on null/undefined entries in comma-format arrays under encodeValuesOnly

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 qs.stringify crashes on null/undefined entries in comma-format arrays under encodeValuesOnly

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...

CVE-2026-8723 qs.stringify crashes on null/undefined entries in comma-format arrays under encodeValuesOnly

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

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

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...