What’s Vulnerable › Vulnerabilities

CVE-2026-111673: IceCMS through 4.1.5 Missing Authentication via /User Administrative Endpoints

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-16 · updated 2026-10-16
• Weakness: CWE-306

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.

Affected products

• Thecosy IceCMS: through 4.1.5

References

• https://github.com/Thecosy/IceCMS
• https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/configuration/ShiroConfig.java#L64-L88
• https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/controller/backend/UserController.java#L743-L818
• https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeover
• https://www.vulncheck.com/advisories/icecms-through-4.1.5-missing-authentication-via-user-administrative-endpoints
• https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeover

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