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CVE-2026-45294— FreeScout: User Account Enumeration via Password Reset Response Differentiation

Quick assessment

Affected
freescout-help-desk freescout
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.

FreeScout是FreeScout公司的一个使用 PHP（Laravel 框架）构建的超轻量级且功能强大的免费开源帮助台和共享收件箱。 FreeScout 1.8.219之前版本存在安全漏洞，该漏洞源于密码重置端点根据提交的邮箱是否属于现有用户返回视觉上不同的响应，可能导致未认证攻击者枚举有效的帮助台代理邮箱地址。

CVSS 5.3 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1589.001 · Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
freescout-help-desk freescout < 1.8.219 affected
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I. Basic Information for CVE-2026-45294

Vulnerability Information
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Vulnerability Title
FreeScout: User Account Enumeration via Password Reset Response Differentiation
Source: CVE Program / CVE List V5
Vulnerability Description
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct responses depending on whether the submitted email address belongs to an existing user account, allowing unauthenticated attackers to enumerate valid helpdesk agent email addresses. This vulnerability is fixed in 1.8.219.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
FreeScout 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeScout是FreeScout公司的一个使用 PHP（Laravel 框架）构建的超轻量级且功能强大的免费开源帮助台和共享收件箱。 FreeScout 1.8.219之前版本存在安全漏洞，该漏洞源于密码重置端点根据提交的邮箱是否属于现有用户返回视觉上不同的响应，可能导致未认证攻击者枚举有效的帮助台代理邮箱地址。
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
freescout-help-desk freescout < 1.8.219 -

II. Public POCs for CVE-2026-45294

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III. Intelligence Information for CVE-2026-45294

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Vendor Advisories for CVE-2026-45294 (1)

Same Patch Batch · freescout-help-desk · 2026-05-29 · 4 CVEs total

CVE-2026-47123 7.5 HIGH FreeScout: Agent Impersonation via Missing HMAC Verification on Notification Reply Message
CVE-2026-48811 4.3 MEDIUM FreeScout: Thread Deletion Bypasses Mailbox Access Revocation
CVE-2026-48810 4.3 MEDIUM FreeScout: Thread Edit Authorization Bypass via Missing Mailbox Check

IV. Related Vulnerabilities

Same product: freescout
Same vendor: freescout-help-desk
Same weakness: CWE-203

V. Comments for CVE-2026-45294

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