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一、 漏洞 CVE-2026-23721 基础信息
漏洞信息
                                        # OpenProject 视图权限组成员漏洞

## 概述
OpenProject 是一款开源的基于 Web 的项目管理软件。在使用组(Groups)管理用户时,存在权限校验缺陷,导致本应受限的组成员信息被越权访问。

## 影响版本
- OpenProject < 17.0.1  
- OpenProject < 16.6.5

## 细节
当用户在任意项目中拥有“查看成员”(View Members)权限时,由于权限检查失效,该用户可枚举系统中所有用户组,并查看各组包含的成员用户,即使这些组所属的项目未授权其访问。

## 影响
攻击者可利用此漏洞枚举所有用户组并获取成员信息,造成敏感信息泄露。该漏洞已在 17.0.1 和 16.6.5 版本中修复,目前无已知有效绕过方案。
                                        
神龙判断

是否为 Web 类漏洞: 未知

判断理由:

N/A
提示
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漏洞标题
OpenProject users with "View Members" permission in any project can view all Group memberships
来源:美国国家漏洞数据库 NVD
漏洞描述信息
OpenProject is an open-source, web-based project management software. When using groups in OpenProject to manage users, the group members should only be visible to users that have the View Members permission in any project that the group is also a member of. Prior to versions 17.0.1 and 16.6.5, due to a failed permission check, if a user had the View Members permission in any project, they could enumerate all Groups and view which other users are part of the group. The issue has been fixed in OpenProject 17.0.1 and 16.6.5. No known workarounds are available.
来源:美国国家漏洞数据库 NVD
CVSS信息
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
来源:美国国家漏洞数据库 NVD
漏洞类别
授权机制缺失
来源:美国国家漏洞数据库 NVD
二、漏洞 CVE-2026-23721 的公开POC
#POC 描述源链接神龙链接
三、漏洞 CVE-2026-23721 的情报信息
  • 标题: Users with "View Members" permission in any project can view all Group memberships · Advisory · opf/openproject · GitHub -- 🔗来源链接

    标签:x_refsource_CONFIRM

    神龙速读:
                                            从网页截图中获取到的关于漏洞的关键信息如下:
    
    - **漏洞标题**: Users with "View Members" permission in any project can view all Group memberships
    - **严重性**: Moderate (中等)
    - **CVE ID**: CVE-2026-23721
    
    ### **影响版本**
    - Affected versions: <= 16.6.4, 17.0.0
    
    ### **修复版本**
    - Patched versions: 16.6.5, 17.0.1
    
    ### **漏洞描述**
    - When using groups in OpenProject to manage users, the group members should only be visible to users that have the View Members permission in any project that the group is also a member of. 
      - 由于权限检查失败,拥有“查看成员”权限的用户可以枚举所有组并查看其他用户所属的组。
    
    ### **修复措施**
    - The issue has been fixed in OpenProject 17.0.1 and 16.6.5.
    
    ### **CVE v3 基础指标**
    - Attack vector: Network
    - Attack complexity: Low
    - Privileges required: Low
    - User interaction: None
    - Scope: Unchanged
    - Confidentiality: Low
    - Integrity: None
    - Availability: None
                                            
    Users with "View Members" permission in any project can view all Group memberships · Advisory · opf/openproject · GitHub
  • https://nvd.nist.gov/vuln/detail/CVE-2026-23721
四、漏洞 CVE-2026-23721 的评论

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