CVE-2026-41193— FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE
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I. Basic Information for CVE-2026-41193
Vulnerability Information
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Vulnerability Title
FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP. Version 1.8.215 fixes the vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
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 1.8.215之前版本存在安全漏洞，该漏洞源于模块安装功能提取ZIP存档时未验证文件路径，可能导致经过身份验证的管理员通过特制ZIP在服务器文件系统上任意写入文件。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| freescout-help-desk | freescout | < 1.8.215 | - |
II. Public POCs for CVE-2026-41193
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release 1.8.215 · freescout-help-desk/freescout · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-41193
Same Patch Batch · freescout-help-desk · 2026-04-21 · 20 CVEs total
| CVE-2026-40569 | 9.0 CRITICAL | FreeScout's Mass Assignment in Mailbox Connection Settings Enables Silent Email Exfiltrati |
| CVE-2026-40568 | 8.5 HIGH | FreeScout Vulnerable to XSS via Mailbox Signature Due to Incomplete HTML Sanitization |
| CVE-2026-40497 | 8.1 HIGH | FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Toke |
| CVE-2026-40589 | 7.6 HIGH | FreeScout has Customer Edit Cross-Mailbox Email Takeover |
| CVE-2026-41191 | 7.1 HIGH | FreeScout's signature only mailbox permission allows unauthorized mailbox chat setting cha |
| CVE-2026-41192 | 7.1 HIGH | FreeScout's client-controlled attachment IDs allow deletion of existing conversation attac |
| CVE-2026-40591 | 7.1 HIGH | FreeScout: Improper Authorization in Phone Conversation Creation Enables Cross-Mailbox Hid |
| CVE-2026-41189 | 7.1 HIGH | FreeScout has assigned-only visibility bypass that allows editing hidden customer-authored |
| CVE-2026-41190 | 7.1 HIGH | FreeScout has assigned-only visibility bypass via save_draft that allows hidden conversati |
| CVE-2026-40565 | 6.1 MEDIUM | FreeScout has Stored XSS / CSS Injection via linkify() — Unescaped URL in Anchor href |
| CVE-2026-40592 | 5.9 MEDIUM | FreeScout's cross-user undo reply allows mailbox peers to recall another agent's outbound |
| CVE-2026-40567 | 5.8 MEDIUM | FreeScout has HTML Injection in Outgoing Emails via Unsanitized Customer Name in Signature |
| CVE-2026-41194 | 5.4 MEDIUM | FreeScout's Mailbox OAuth disconnect uses a state-changing GET and is CSRFable |
| CVE-2026-41183 | 4.3 MEDIUM | FreeScout allows non-folder conversation queries to disclose assigned-only hidden conversa |
| CVE-2026-40590 | 4.3 MEDIUM | FreeScout's Customer AJAX Create Modifies Hidden Existing Customer |
| CVE-2026-40566 | 4.1 MEDIUM | FreeScout vulnerable to SSRF via IMAP/SMTP Connection Test Endpoints |
| CVE-2026-40496 | FreeScout has Predictable Attachment Token that Allows Unauthenticated Private File Downlo | |
| CVE-2026-40570 | FreeScout's Missing Authorization in load_customer_info Allows Any Authenticated User to A | |
| CVE-2026-40498 | FreeScout has Authentication Bypass and Information Disclosure in SystemController via /sy |
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-22
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npitre cramfs-tools Directory cramfsck.c do_directory path t - CVE-2022-50956
WordPress Plugin amministrazione-aperta 3.7.3 Local File Rea - CVE-2026-8215
Industrial Application Software IAS Canias ERP RMI iasReques - CVE-2026-42605
AzuraCast: Path Traversal in `currentDirectory` Parameter En - CVE-2026-42574
apko dirFS has a symlink-following path traversal that allow
V. Comments for CVE-2026-41193
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