Vulnerability · Published Jan 23, 2026 · Assigned by twcert

CVE-2026-1364JNC｜IAQS and I6 - Missing Authentication

Critical 9.8

In plain English

A critical-severity missing authentication in I6 from JNC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.6%top 52.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IAQS and I6 developed by JNC has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to directly operate system administrative functionalities.

Affected products (as reported)

Vendor	Product	Versions
JNC	IAQS	0
JNC	I6	0

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://www.twcert.org.tw/tw/cp-132-10652-4cdca-1.html third-party-advisory
https://www.twcert.org.tw/en/cp-139-10653-117a1-2.html third-party-advisory