Vulnerability · Published May 18, 2026 · Assigned by INCIBE

CVE-2026-4320Authorization Bypass in ICMS Content Management by Creartia Internet Consulting

Critical 9.3

In plain English

A critical-severity authentication bypass in ICMS Content Management from Creartia Internet Consulting. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical

Exploit odds (30 days)0.3%top 82.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Authorization Bypass vulnerability in Creartia's ICMS software could allow an attacker to gain unauthorized access to protected features by manipulating the HTTP redirect headers of the login process, causing the script to continue running and enabling privilege escalation without the need for credentials.

Affected products (as reported)

Vendor	Product	Versions
Creartia Internet Consulting	ICMS Content Management	0 – before *

Weakness: CWE-288 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

https://www.incibe.es/en/incibe-cert/notices/aviso/authorization-bypass-icms-content-management-creartia-internet-consulting patch