CVE-2026-111673 IceCMS through 4.1.5 Missing Authentication via /User Administrative Endpoints
Unauthenticated attackers can modify or disable any user account, including administrators, by accessing unprotected administrative endpoints in IceCMS.
- 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-2026-111673?
CVE-2026-111673 is a critical missing authorization vulnerability in Thecosy IceCMS, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IceCMS through 4.1.5 contains a missing authentication vulnerability that allows unauthenticated attackers to modify, delete, or disable any account because /User/** is excluded from the Shiro jwt filter. Attackers can send PUT requests to /User/updateUser to set a new password and role on any userId, including administrators, enabling full account takeover.
Weakness: CWE-306
Which versions are affected by CVE-2026-111673?
How do I fix CVE-2026-111673?
No fix has been published for CVE-2026-111673 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111673 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111673 exists.
Sources
Also known as GHSA-rgvr-v3r8-5gwx.