Vulnerability · Published Jan 23, 2026 · Assigned by twcert
CVE-2026-1363JNC|IAQS and I6 - Client-Side Enforcement of Server-Side Security
Critical 9.8
In plain English
A critical-severity security flaw 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 48% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 51.9% 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 Client-Side Enforcement of Server-Side Security vulnerability, allowing unauthenticated remote attackers to gain administrator privileges by manipulating the web front-end.
Affected products (as reported)
Weakness: CWE-603 · 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