Critical 9.8Published Oct 16, 2026

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

Updated under an hour ago (2026-10-19 04:50 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Thecosy IceCMS

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 16, 2026

Affected products

Affected products

Thecosy IceCMS thecosy:icecms (from the name)	through 4.1.5	CNA record

References

https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeoverthird-party-advisory
https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/controller/backend/UserController.java#L743-L818technical-description
https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/configuration/ShiroConfig.java#L64-L88technical-description
https://github.com/Thecosy/IceCMSproduct
https://www.vulncheck.com/advisories/icecms-through-4.1.5-missing-authentication-via-user-administrative-endpointsthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.