CVE-2026-111673
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductIceCMS
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Thecosy IceCMS | v ≤ 4.1.5 | — |
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