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CVE-2026-82911— CSRF in Prospero Flow CRM order confirmation allows unauthorized order state changes

Quick assessment

Affected
Roskus Prospero Flow CRM
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.

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 5.15.11之前版本存在跨站请求伪造漏洞，该漏洞源于OrderConfirmController中GET /order/confirm/{order_number}请求缺少CSRF令牌验证，可能导致未经身份验证的攻击者通过诱导用户访问恶意页面，在未经授权的情况下确认任意订单；由于订单号为顺序整数，攻击者可枚举并确认所有订单。

CVSS 5.1 · Medium EPSS 0.23% · P13

Affected Version Matrix 1

VendorProduct Version RangeStatus
Roskus Prospero Flow CRM < 5.15.11 affected
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I. Basic Information for CVE-2026-82911

Vulnerability Information
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Vulnerability Title
CSRF in Prospero Flow CRM order confirmation allows unauthorized order state changes
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-Site Request Forgery (CSRF) in the OrderConfirmController at GET /order/confirm/{order_number} in Roskus Prospero Flow CRM before 5.15.11 allows an unauthenticated attacker to confirm any order on behalf of an authenticated user by directing them to a crafted page. Laravel's VerifyCsrfToken middleware enforces CSRF tokens only on POST, PUT, PATCH, and DELETE requests; the Route::get declaration leaves this state-changing action unprotected. Session cookies configured with SameSite=Lax are automatically included in top-level cross-site navigation, so a single link click triggers OrderConfirmController::confirm() and transitions the target order from pending to confirmed without user authorization. Because order numbers are sequential integers, an attacker can enumerate and confirm all existing orders in a single automated sweep.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
roskus Prospero Flow CRM 跨站请求伪造漏洞
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 5.15.11之前版本存在跨站请求伪造漏洞，该漏洞源于OrderConfirmController中GET /order/confirm/{order_number}请求缺少CSRF令牌验证，可能导致未经身份验证的攻击者通过诱导用户访问恶意页面，在未经授权的情况下确认任意订单；由于订单号为顺序整数，攻击者可枚举并确认所有订单。
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 ~ 5.15.11 cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82911

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III. Intelligence Information for CVE-2026-82911

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Patches & Fixes for CVE-2026-82911 (1)

IV. Related Vulnerabilities

Same product: Prospero Flow CRM
Same vendor: Roskus
Same weakness: CWE-352

V. Comments for CVE-2026-82911

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