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

Quick assessment

Affected
Thecosy IceCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IceCMS 4.1.5 及以下版本存在一个缺少身份验证的漏洞。由于 路径被排除在 Shiro JWT 过滤器之外，未经身份验证的攻击者可以修改、删除或禁用任意账户。攻击者可以向 端点发送 PUT 请求，为任意用户 ID（包括管理员）设置新的密码和角色，从而实现完整的账户接管。

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
Thecosy IceCMS ≤ 4.1.5 affected
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I. Basic Information for CVE-2026-111673

Vulnerability Information
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Vulnerability Title
IceCMS through 4.1.5 Missing Authentication via /User Administrative Endpoints
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Thecosy IceCMS 0 ~ 4.1.5 -

II. Public POCs for CVE-2026-111673

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III. Intelligence Information for CVE-2026-111673

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Vendor Advisories for CVE-2026-111673 (1)

Proof of Concept for CVE-2026-111673 (2)

Vendor Pages for CVE-2026-111673 (1)

Same Patch Batch · Thecosy · 2026-10-16 · 3 CVEs total

CVE-2026-111685 7.5 HIGH IceCMS through 4.1.5 SQL Injection via /WebResource/findresourcebynum
CVE-2026-111686 7.5 HIGH IceCMS through 4.1.5 SQL Injection via /WebArticle/findarticlesbynum

IV. Related Vulnerabilities

Same product: IceCMS
Same vendor: Thecosy
Same weakness: CWE-306

V. Comments for CVE-2026-111673

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