CVE-2026-3965: @whyour/qinglong Manipulation Of The Argument Command Vulnerability

LOW
Advisory Identifier: GHSA-xj37-qjg2-xwv2
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CVSS 6.3
CWE-693
Published
Advisory Summary

CVE-2026-3965 is a LOW (CVSS 6.3) manipulation of the argument command vulnerability (CWE-693: Protection Mechanism Failure) affecting @whyour/qinglong libraries in the npm ecosystem. The issue involves manipulation of the argument command leads to protection mechanism failure. Remediation is available by upgrading affected packages to version 2.20.2.

CVE-2026-3965 at a Glance

CVE Identifier CVE-2026-3965
GHSA Identifier GHSA-xj37-qjg2-xwv2
Severity LOW
CVSS v3.1 Base Score 6.3
CWE Classification CWE-693: Protection Mechanism Failure
Affected Product @whyour/qinglong
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 6.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2026-3965

To remediate this vulnerability, upgrade all affected @whyour/qinglong dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

@whyour/qinglong fixed: 2.20.2 
npm install @whyour/qinglong@2.20.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls @whyour/qinglong

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2026-3965, inspect your project dependencies using npm:

npm ls @whyour/qinglong

Analyze the terminal output to locate any version of @whyour/qinglong in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.20.2), your application is affected.

Note: The npm ls @whyour/qinglong command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-693: Protection Mechanism Failure, where the product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. In @whyour/qinglong, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2026-3965 Affected @whyour/qinglong Versions

1 component(s)
Fixed Versions:
2.20.2
Product / Package Ecosystem Affected Versions Fixed Version
@whyour/qinglong
npm/@whyour/qinglong
npm
< 2.20.2
2.20.2

References

vuldb.com/ WEB
https://vuldb.com/?ctiid.350394
vuldb.com/ WEB
https://vuldb.com/?id.350394
vuldb.com/ WEB
https://vuldb.com/?submit.768861
NVD — CVE-2026-3965 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3965
@whyour/qinglong Source Repository REPOSITORY
https://github.com/A7cc/cve/issues/6
@whyour/qinglong Source Repository REPOSITORY
https://github.com/A7cc/cve/issues/6#issue-3999235307
@whyour/qinglong Source Repository REPOSITORY
https://github.com/whyour/qinglong/pull/2941
Security Fix Commit FIX COMMIT
https://github.com/whyour/qinglong/commit/6bec52dca158481258315ba0fc2f11206df7b719
@whyour/qinglong Source Repository REPOSITORY
https://github.com/whyour/qinglong
@whyour/qinglong Release RELEASE
https://github.com/whyour/qinglong/releases/tag/v2.20.2

Frequently Asked Questions

What is CVE-2026-3965?
CVE-2026-3965 is a security vulnerability in @whyour/qinglong involving manipulation of the argument command leads to protection mechanism failure under CWE-693: Protection Mechanism Failure.
Which @whyour/qinglong versions are affected?
Affected versions include releases prior to 2.20.2 across affected packages: @whyour/qinglong.
What version fixes CVE-2026-3965?
Upgrading to 2.20.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @whyour/qinglong affected?
Yes, @whyour/qinglong is affected in releases prior to 2.20.2. Upgrade your dependency to 2.20.2 or later.
What is the CVSS score of CVE-2026-3965?
CVE-2026-3965 has a CVSS v3.1 base score of 6.3 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2026-3965?
CVE-2026-3965 is classified under CWE-693: Protection Mechanism Failure (The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.).
How can I check npm dependencies for CVE-2026-3965?
Run the dependency tree command: 'npm ls @whyour/qinglong'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xj37-qjg2-xwv2",
  "modified" : "2026-03-12T17:34:35Z",
  "published" : "2026-03-12T00:31:17Z",
  "aliases" : [ "CVE-2026-3965" ],
  "summary" : "@whyour/qinglong: manipulation of the argument command leads to protection mechanism failure",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@whyour/qinglong"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.20.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-3965"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/A7cc/cve/issues/6"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/A7cc/cve/issues/6#issue-3999235307"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/whyour/qinglong/pull/2941"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/whyour/qinglong/commit/6bec52dca158481258315ba0fc2f11206df7b719"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/whyour/qinglong"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/whyour/qinglong/releases/tag/v2.20.2"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.350394"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.350394"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.768861"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-693" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-12T17:34:35Z",
    "nvd_published_at" : "2026-03-12T00:16:11Z"
  }
}