9.8
CRITICAL CVSS 3.1
CVE-2026-111673
IceCMS through 4.1.5 Missing Authentication via /User Administrative Endpoints
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.

INFO

Published Date :

Oct. 16, 2026, 6:17 p.m.

Last Modified :

Oct. 16, 2026, 8:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-111673 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Thecosy icecms
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 CRITICAL MITRE-CVE
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 CRITICAL [email protected]
Solution
Address missing authentication in Shiro JWT filter to prevent account takeover.
  • Ensure /User/** endpoints are protected by authentication.
  • Apply vendor patches for IceCMS.
  • Review Shiro JWT filter configuration.
  • Monitor user account changes.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-111673 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-111673 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-111673 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 16, 2026

    Action Type Old Value New Value
    Added Reference https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeover
    Added SSVC {'id': 'CVE-2026-111673', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-10-16T19:52:59.726542Z'}
  • New CVE Received by [email protected]

    Oct. 16, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/111xxx/CVE-2026-111673.json">CVE-2026-111673</a>
    Added Reference https://github.com/Thecosy/IceCMS
    Added Reference https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/configuration/ShiroConfig.java#L64-L88
    Added Reference https://github.com/Thecosy/IceCMS/blob/afd7a9f0d04a714e7c7e735e566c27f54b5d5201/IceCMS-ment/src/main/java/com/ttice/icewkment/controller/backend/UserController.java#L743-L818
    Added Reference https://hackmd.io/@hieuPenguinnn/icecms-backend-user-admin-unauth-account-takeover
    Added Reference https://www.vulncheck.com/advisories/icecms-through-4.1.5-missing-authentication-via-user-administrative-endpoints
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.