CVE-2025-48389— FreeScout Vulnerable to Deserialization of Untrusted Data
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I. Basic Information for CVE-2025-48389
Vulnerability Information
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Vulnerability Title
FreeScout Vulnerable to Deserialization of Untrusted Data
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, FreeScout is vulnerable to deserialization of untrusted data due to insufficient validation. Through the set function, a string with a serialized object can be passed, and when getting an option through the get method, deserialization will occur, which will allow arbitrary code execution This issue has been patched in version 1.8.178.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
FreeScout 代码问题漏洞
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 1.8.178之前版本存在代码问题漏洞，该漏洞源于反序列化不可信数据，可能导致任意代码执行。
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 | < 1.8.178 | - |
II. Public POCs for CVE-2025-48389
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · freescout-help-desk · 2025-05-29 · 8 CVEs total
| CVE-2025-48388 | FreeScout Has Insufficient Protection Against CRLF-injection | |
| CVE-2025-48390 | FreeScout Vulnerable to Remote Code Execution (RCE) | |
| CVE-2025-48471 | FreeScout Vulnerable to Arbitrary File Upload | |
| CVE-2025-48472 | FreeScout Vulnerable to Insufficient Authorization | |
| CVE-2025-48473 | FreeScout Vulnerable to Insufficient Authorization | |
| CVE-2025-48474 | FreeScout Vulnerable to Insufficient Authorization | |
| CVE-2025-48475 | FreeScout Vulnerable to Insufficient Authorization |
IV. Related Vulnerabilities
Same product: freescout
- CVE-2026-41906
FreeScout: Conversation Change-Customer Cross-Mailbox Author - CVE-2026-41905
FreeScout vulnerable to SSRF via Helper::sanitizeRemoteUrl: - CVE-2026-41904
FreeScout Stored XSS vulnerability in mailbox auto-reply: pa - CVE-2026-41902
FreeScout's user invitation hash never expires: permanent un - CVE-2026-41903
FreeScout IDOR Vulnerability: PERM_EDIT_USERS allows modifyi
Same vendor: freescout-help-desk
- CVE-2026-41906
FreeScout: Conversation Change-Customer Cross-Mailbox Author - CVE-2026-41905
FreeScout vulnerable to SSRF via Helper::sanitizeRemoteUrl: - CVE-2026-41904
FreeScout Stored XSS vulnerability in mailbox auto-reply: pa - CVE-2026-41902
FreeScout's user invitation hash never expires: permanent un - CVE-2026-41903
FreeScout IDOR Vulnerability: PERM_EDIT_USERS allows modifyi
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2025-48389
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