CVE-2026-24777— OpenProject has Improper Access Control on User Management allows user managers to lock admin accounts
Quick assessment
Affected
opf openproject
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.
OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.0.2之前版本存在安全漏洞，该漏洞源于缺少权限检查，可能导致锁定应用程序管理员。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2026-24777
Vulnerability Information
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Vulnerability Title
OpenProject has Improper Access Control on User Management allows user managers to lock admin accounts
Source: CVE Program / CVE List V5
Vulnerability Description
OpenProject is an open-source, web-based project management software. Prior to 17.0.2, users with the Manage Users permission can lock and unlock users. This functionality should only be possible for users of the application, but they were not supposed to be able to lock application administrators. Due to a missing permission check this logic was not enforced. The problem was fixed in OpenProject 17.0.2The problem was fixed in OpenProject 17.0.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
OpenProject 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.0.2之前版本存在安全漏洞，该漏洞源于缺少权限检查，可能导致锁定应用程序管理员。
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 |
|---|---|---|---|---|
| opf | openproject | < 17.0.2 | - |
|
II. Public POCs for CVE-2026-24777
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same vendor: opf
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Same weakness: CWE-862
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V. Comments for CVE-2026-24777
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