qs.stringify with arrayFormat comma throws TypeError on array elements that cannot be coerced to a string

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-110816 · Microsoft / collected KEV context

EUVD-2026-101710

GHSA-6pq8-jhm2-2vcw

cve-program · CVE-2026-110816

• https://github.com/ljharb/qs/security/advisories/GHSA-6pq8-jhm2-2vcw
• https://github.com/ljharb/qs/commit/a952e7519338ef0cfb25694a2988848f93333727

euvd · EUVD-2026-101710

• https://github.com/ljharb/qs/security/advisories/GHSA-6pq8-jhm2-2vcw
• https://github.com/ljharb/qs/commit/a952e7519338ef0cfb25694a2988848f93333727

nvd · CVE-2026-110816

• https://github.com/ljharb/qs/commit/a952e7519338ef0cfb25694a2988848f93333727
• https://github.com/ljharb/qs/security/advisories/GHSA-6pq8-jhm2-2vcw

osv · GHSA-6pq8-jhm2-2vcw

• https://github.com/ljharb/qs/security/advisories/GHSA-6pq8-jhm2-2vcw
• https://nvd.nist.gov/vuln/detail/CVE-2026-110816
• https://github.com/ljharb/qs/commit/a952e7519338ef0cfb25694a2988848f93333727
• https://github.com/ljharb/qs
• https://github.com/ljharb/qs/releases/tag/v6.16.1

• ### Summary · Advisory content revised · 30 Oct 2026
• qs : qs.stringify with arrayFormat 'comma' throws an uncaught TypeError on array elements carrying a non-callable own toString (DoS) · Newly collected advisory · 27 Oct 2026