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CVE-2026-59233— Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation

Quick assessment

Affected
Roskus Prospero Flow CRM
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

roskus Prospero Flow CRM是roskus组织开源的一款客户关系管理软件。 Roskus Prospero Flow CRM 5.2.1之前版本存在授权问题漏洞，该漏洞源于权限管理组件缺失授权，通过向权限保存端点发送特制POST请求，未执行授权检查即同步提交的权限，可能导致任何已认证用户授予任何角色（包括自己的角色）完整的应用程序权限。

CVSS 8.7 · High EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
Roskus Prospero Flow CRM < 5.2.1 affected
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I. Basic Information for CVE-2026-59233

Vulnerability Information
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Vulnerability Title
Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Roskus Prospero Flow CRM 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
roskus Prospero Flow CRM是roskus组织开源的一款客户关系管理软件。 Roskus Prospero Flow CRM 5.2.1之前版本存在授权问题漏洞，该漏洞源于权限管理组件缺失授权，通过向权限保存端点发送特制POST请求，未执行授权检查即同步提交的权限，可能导致任何已认证用户授予任何角色（包括自己的角色）完整的应用程序权限。
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
Roskus Prospero Flow CRM 0 ~ 5.2.1 -

II. Public POCs for CVE-2026-59233

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
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Qwen3.6-35B-A3B · 7953 chars
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III. Intelligence Information for CVE-2026-59233

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Patches & Fixes for CVE-2026-59233 (2)

Vendor Advisories for CVE-2026-59233 (1)

IV. Related Vulnerabilities

Same product: Prospero Flow CRM
Same vendor: Roskus
Same weakness: CWE-639

V. Comments for CVE-2026-59233

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