CVE-2026-4320 Authorization Bypass in ICMS Content Management by Creartia Internet Consulting
Attackers can bypass authentication and escalate privileges by manipulating HTTP redirect headers during login in ICMS Content Management.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4320?
CVE-2026-4320 is a critical authentication bypass vulnerability in Creartia Internet Consulting ICMS Content Management, published on 18 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-288
Which versions are affected by CVE-2026-4320?
How do I fix CVE-2026-4320?
No fix has been published for CVE-2026-4320 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-4320 being exploited?
There is no known exploitation of CVE-2026-4320 in the wild and no public exploit code.
Sources
Also known as GHSA-gg2r-86qc-9w57.