qs

6.17.1 · 28 Oct 2026BSD-3-Clause214.6M / weekRepository npm Atom feed

Same major only

113 releases in betweennotes for 105

Other targets from 1.1.0Newest 1.x1.2.2 Latest6.17.1

The note of 6.0.0, 5.0.0, 4.0.0, 3.0.0, 2.0.0 lists no breaking change or deprecation, which is rare for a major.

?
changes to make: 3
advisories fixed: 21+
new: 26+
fixes

Counted from 105 of 113 release notes. Advisories are counted from the advisory database, in full.

Security

4 advisories still affect 6.14.1

qs: Denial of Service via Attacker Controlled isBuffermoderate · GHSA-4mjr-xmp4-gh2g
qs : qs.stringify with arrayFormat 'comma' throws an uncaught TypeError on array elements carrying a non-callable own toString (DoS)moderate · GHSA-6pq8-jhm2-2vcw
qs has a remotely triggerable DoS: qs.stringify crashes with TypeError on null/undefined entries in comma-format arrays when encodeValuesOnly is setmoderate · GHSA-q8mj-m7cp-5q26
qs's arrayLimit bypass in comma parsing allows denial of servicelow · GHSA-w7fw-mjwx-w883

Upgrading to 6.16.1 clears them.

Fixes 3 advisories affecting 1.1.0

qs's arrayLimit bypass in its bracket notation allows DoS via memory exhaustionmoderate · GHSA-6rw7-vpxm-498p
Prototype Pollution Protection Bypass in qshigh · GHSA-gqgv-6jq5-jjj9
qs vulnerable to Prototype Pollutionhigh · GHSA-hrpp-h998-j3pp

Release by release

6.14.1
29 Dec 20252 new · 1 fix
- new
  Add threat model
- new
  Add workflow permissions
- fixed
  Ensure arrayLimit applies to `` notation as well
6.14.0
14 Jan 20251 fix
- fixed
  Fix changelog formatting bug
6.13.3 – 6.13.42 releases, nothing new or fixed in the notes
6.13.2
12 Feb 20262 fixes
- fixed
  Avoid .push, use void
- fixed
  Fix rebase workflow permissions
6.12.6 – 6.13.13 releases, nothing new or fixed in the notes
6.12.5
13 Feb 20261 fix
- fixed
  Fix regressions from robustness refactor
6.12.4 nothing new or fixed in the note
6.12.3
8 Jul 20241 fix
- fixed
  Fix changelog indentation

189 other lines we could not sort, mostly version bumps

parse: when a custom decoder returns null for a key, ignore that key
6.14.1
parse: extract key segment splitting helper
6.14.1
Update eslint, @ljharb/eslint-config, npmignore, es-value-fixtures, for-each, object-inspect
6.14.1
parse: add throwOnParameterLimitExceeded option
6.14.0
parse: use utils.combine more
6.14.0
parse: add explicit throwOnLimitExceeded default
6.14.0
Use shared action; re-add finishers
6.14.0
Update side-channel
6.14.0
Update es-value-fixtures, has-bigints, has-proto, has-symbols
6.14.0
stringify: encode keys when allowEmptyArrays is set
6.13.4

87 internal lines (docs, tests, tooling) left out.

Upgrade to 6.14.1

npm install qs@6.14.1

What 6.14.1 needs

Reading 6.14.1's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 6.14.1. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.
4 advisories still affect 6.14.1.