CVE-2026-3965 whyour qinglong API express.ts protection mechanism
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-3965?
CVE-2026-3965 is a medium-severity vulnerability in whyour qinglong, published on 11 Mar 2026.
Official description
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.
Weakness: CWE-693
Which versions are affected by CVE-2026-3965?
2 open source packages ship an affected version, including @whyour/qinglong.
| Package | Affected | Fixed in |
|---|---|---|
@whyour/qinglong npm | All versions | 2.20.2 |
@whyour/qinglong npm | All versions | 2.20.2 |
How do I fix CVE-2026-3965?
Upgrade @whyour/qinglong to 2.20.2 or later.
Is CVE-2026-3965 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3965 exists.
Sources
Also known as GHSA-xj37-qjg2-xwv2.