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CVE-2026-44224— Wiki.js: Privilege Escalation via Missing Group Validation in users.update

Quick assessment

Affected
requarks wiki
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.

wiki.js是requarks.io开源的一个Wiki应用程序。 Wiki.js 2.5.313之前版本存在安全漏洞，该漏洞源于users.update GraphQL变异接受任意groups数组并直接应用于数据库，未验证组ID，可能导致具有manage:users权限的用户自行分配管理员组，获得完全站点管理员访问权限。

AI Predicted 9.8 Difficulty: Easy EPSS 0.56% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
requarks wiki < 2.5.313 affected
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I. Basic Information for CVE-2026-44224

Vulnerability Information
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Vulnerability Title
Wiki.js: Privilege Escalation via Missing Group Validation in users.update
Source: CVE Program / CVE List V5
Vulnerability Description
Wiki.js is an open source wiki app built on Node.js. Prior to 2.5.313, the users.update GraphQL mutation accepts an arbitrary groups array and applies it directly to the database with no validation of the group IDs supplied. The resolver passes the caller's arguments straight to the model without any ownership check or restriction on which groups can be assigned. A user with manage:users — a permission typically delegated to wiki moderators for account management — can set groups:[1] on their own account to self-assign to the Administrators group. After re-authentication, the fresh JWT carries manage:system, granting full site administrator access in a single mutation call. This vulnerability is fixed in 2.5.313.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
wiki.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wiki.js是requarks.io开源的一个Wiki应用程序。 Wiki.js 2.5.313之前版本存在安全漏洞，该漏洞源于users.update GraphQL变异接受任意groups数组并直接应用于数据库，未验证组ID，可能导致具有manage:users权限的用户自行分配管理员组，获得完全站点管理员访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
requarks wiki < 2.5.313 -

II. Public POCs for CVE-2026-44224

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III. Intelligence Information for CVE-2026-44224

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Vendor Advisories for CVE-2026-44224 (1)

IV. Related Vulnerabilities

Same product: wiki
Same vendor: requarks
Same weakness: CWE-269

V. Comments for CVE-2026-44224

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