Is CVE-2026-3965 actively exploited?

Yes. CVE-2026-3965 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2026-3965 be exploited remotely?

Yes. CVE-2026-3965 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3965?

CVE-2026-3965 has a CVSS score of 6.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-3965

MEDIUMCISA KEVIN THE WILD

CVE-2026-3965

CWE-693Published: March 12, 2026· Updated: Mar 12, 2026

6.3

CVSS v3.1

EPSS:0.08%probability of exploitation in 30 daysPercentile:23.3th

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.

NVD Source

Technical Analysis

CVE-2026-3965 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2026-3965 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.