CVE-2025-15284: Improper Input Validation vulnerability in qs (parse modules) allows HTTP DoS.This issue affects qs: < 6.14.1.

Q: How urgent is CVE-2025-15284?

Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

LOW 3.7REMOTEUPGRADE

CVE-2025-15284 is a low-severity flaw (CVSS 3.7) affecting qs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation vulnerability in qs (parse modules) allows HTTP DoS.This issue affects qs: < 6.14.1. Summary The arrayLimit option in qs did not enforce limits for bracket notation (a[]=1&a[]=2), only for indexed notation (a[0]=1). This is a consistency bug; arrayLimit should apply uniformly across all array notations. Note: The default parameterLimit of 1000 effectively mitigates the DoS scenario originally described. With default

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-20
Published	2025-12-29
Last modified	2026-10-14

Publisher (CNA): harborist · Vendor: qs project

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-29 23:15 UTCPublished CVE record published
2026-10-14 19:10 UTCUpdated Record last modified

qs project qs UPGRADE

Affected: < 6.14.1

Fixed in: 6.14.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls qs

2. UPGRADE to 6.14.1

npm install qs@">=6.14.1"

Advisories and coverage

Official advisories

AlmaLinux Errata: [ALSA-2026:18868] Important: linux-sgx security update 2026-05-26

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15284?

qs: upgrade to 6.14.1. Exact commands for each OS are on this page.

Is CVE-2025-15284 being exploited?

CVE-2025-15284 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15284 affect?

CVE-2025-15284 affects qs. Severity is low (CVSS 3.7). Improper Input Validation vulnerability in qs (parse modules) allows HTTP DoS.This issue affects qs: < 6.14.1. Summary The arrayLimit option in qs did not enforce limits for bracket notation (a[]=1&a[]=2), only for indexed notation (a[0]

How urgent is CVE-2025-15284?

Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-2391 LOW 3.7 UPGRADE ### Summary The `arrayLimit` option in qs does not enforce limits for comma-separated values when `comma: true

References

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