CVE-2026-3965: 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...

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.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.44%

35.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

References

Timeline

Published: Mar 12, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-3965?

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.

How severe is CVE-2026-3965?

CVE-2026-3965 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3965?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.