TI-2026-03429 Aliases CVE-2026-3965 GHSA-xj37-qjg2-xwv2

whyour qinglong API express.ts protection mechanism

MEDIUM 57CWE-693Published 2026-03-11 · Updated 2026-03-12

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-693.

Summary

A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.20.2 is able to address this issue. The identifier of the patch is 6bec52dca158481258315ba0fc2f11206df7b719. It is advisable to upgrade the affected component. The code maintainer was informed beforehand about the issues. He reacted very fast and highly professional.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00457 39th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed qinglong (whyour): 2.20.2@whyour/qinglong (npm): 2.20.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
whyour	qinglong	2.20.0; 2.20.1	2.20.2	Patch available	CNA
—	@whyour/qinglong (npm)	before 2.20.2	2.20.2	Patch available	GHSA-xj37-qjg2-xwv2

qinglong Vendorwhyour Affected 2.20.0; 2.20.1 Fixed in 2.20.2 Patch available CNA
@whyour/qinglong (npm) Vendor— Affected before 2.20.2 Fixed in 2.20.2 Patch available GHSA-xj37-qjg2-xwv2

Remediation

Fix · CNA qinglong (whyour) Fixed in 2.20.2
Fix · GHSA-xj37-qjg2-xwv2 @whyour/qinglong (npm) Fixed in 2.20.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-3965
2026-10-03 Alias added: GHSA-xj37-qjg2-xwv2

References

Exploit 1

https://github.com/A7cc/cve/issues/6#issue-3999235307

Patch 3

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-3965

Other 3

TI-2026-40011 Qinglong: Incomplete fix for CVE-2026-3965: Improper Authentication CVSS 4.0CRITICAL 9.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences