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CVE-2026-110816VulnerabilityPublished Updated

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

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-110816· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium : upgrade to 6.16.1 when convenient.

Data as of 28 Oct 2026, 09:42 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 6.16.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade qs to 6.16.1.

Affected software

ProductAffectedFixed in
ljharbqsAffected
  • >=6.7.0 <6.16.1
Fixed in
  • 6.16.1
npmqspkg:npm/qsOther threatsAffected
  • >=6.7.0 <6.16.1
Fixed in
  • 6.16.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

A vulnerability exists in Microsoft product version 3.0 where using qs.stringify with the arrayFormat set to comma causes a TypeError when array elements cannot be coerced to strings. This issue is documented under CVE-2026-110816.

References

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