CVE-2022-42496

nadesiko3 vulnerable to OS Command Injection

9.8 CriticalFix available

OS command injection vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) v3.3.74 and earlier allows a remote attacker to obtain appkey of the product and execute an arbitrary OS command on the product.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.15%Up 1.1 points since Dec 6, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2022-42496
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2022-42496
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2022-7547 9.8

Record: EUVD-2022-7547
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7249-8x22-4rg4 9.8

nadesiko3 vulnerable to OS Command Injection

Record: GHSA-7249-8x22-4rg4
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

OSV 9.8

Record: CVE-2022-42496
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-7249-8x22-4rg4 9.8

nadesiko3 vulnerable to OS Command Injection

Record: GHSA-7249-8x22-4rg4
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`nadesiko3` npm	before 3.3.75	3.3.75

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-42496 is a critical vulnerability (CVSS 9.8) in Kujirahand Nadesiko3, published December 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in nadesiko3 3.3.75.