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CVE-2026-78365— IDOR and missing authorization in Prospero Flow CRM supplier API allows cross-tenant read and modification

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 4.0.0版本至5.3.1版本存在授权问题漏洞，该漏洞源于supplier API中通过用户控制的密钥绕过授权，攻击者可通过向/api/supplier/{id}发送PUT请求并在请求体中设置company_id，从而读取和修改其他公司的供应商记录并将其重新分配给自己公司。

CVSS 9.3 · Critical EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1136.001 · Local Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
Roskus Prospero Flow CRM 4.0.0< 5.3.2 affected
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I. Basic Information for CVE-2026-78365

Vulnerability Information
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Vulnerability Title
IDOR and missing authorization in Prospero Flow CRM supplier API allows cross-tenant read and modification
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key in the supplier API in Roskus Prospero Flow CRM 4.0.0 through 5.3.1 allows any authenticated user to read and modify another company's supplier record, and to reassign it to their own company, via a PUT request to /api/supplier/{id} setting company_id in the body.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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 4.0.0版本至5.3.1版本存在授权问题漏洞，该漏洞源于supplier API中通过用户控制的密钥绕过授权，攻击者可通过向/api/supplier/{id}发送PUT请求并在请求体中设置company_id，从而读取和修改其他公司的供应商记录并将其重新分配给自己公司。
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 4.0.0 ~ 5.3.2 -

II. Public POCs for CVE-2026-78365

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9657 chars
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III. Intelligence Information for CVE-2026-78365

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Patches & Fixes for CVE-2026-78365 (2)

Other References for CVE-2026-78365 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-78365

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