CVE-2026-45294— FreeScout: User Account Enumeration via Password Reset Response Differentiation
Possible ATT&CK Techniques 1AI
T1589.001 · CredentialsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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
| # | POC Description | Source Link | Shenlong Link |
|---|
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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
- CVE-2026-53596
FreeScout has unrestricted file upload without rate limiting - CVE-2026-53595
FreeScout vulnerable to anonymous account takeover via /user - CVE-2026-53594
FreeScout has Arbitrary File Read in App Logs Viewer via For - CVE-2026-53593
FreeScout Vulnerable to Authenticated Remote Code Execution - CVE-2026-53592
FreeScout vulnerable to prototype pollution in getQueryParam
Same vendor: freescout-help-desk
- CVE-2026-53596
FreeScout has unrestricted file upload without rate limiting - CVE-2026-53595
FreeScout vulnerable to anonymous account takeover via /user - CVE-2026-53594
FreeScout has Arbitrary File Read in App Logs Viewer via For - CVE-2026-53593
FreeScout Vulnerable to Authenticated Remote Code Execution - CVE-2026-53592
FreeScout vulnerable to prototype pollution in getQueryParam
Same weakness: CWE-203
- CVE-2026-73630
SiYuan before v3.7.4 Information Disclosure via authFilePubl - CVE-2026-72632
Observable Discrepancy in Kibana Fleet Leading to Disclosure - CVE-2026-58445
Cross-repository label-ID enumeration oracle via unscoped De - CVE-2026-59502
Priority - CWE-203: Observable Discrepancy - CVE-2026-73409
Budibase: Server Filesystem Existence/Read Oracle via Builde
V. Comments for CVE-2026-45294
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