CVE-2026-29041— Chamilo: Authenticated Remote Code Execution via Unrestricted File Upload
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I. Basic Information for CVE-2026-29041
Vulnerability Information
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Vulnerability Title
Chamilo: Authenticated Remote Code Execution via Unrestricted File Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
Chamilo is a learning management system. Prior to version 1.11.34, Chamilo LMS is affected by an authenticated remote code execution vulnerability caused by improper validation of uploaded files. The application relies solely on MIME-type verification when handling file uploads and does not adequately validate file extensions or enforce safe server-side storage restrictions. As a result, an authenticated low-privileged user can upload a crafted file containing executable code and subsequently execute arbitrary commands on the server. This issue has been patched in version 1.11.34.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Chamilo 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo是Chamilo开源的一个学习管理系统。 Chamilo 1.11.34之前版本存在代码问题漏洞，该漏洞源于对上传文件验证不当，可能导致经过身份验证的低权限用户上传包含可执行代码的特制文件并在服务器上执行任意命令。
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 |
|---|---|---|---|---|
| chamilo | chamilo-lms | < 1.11.34 | - |
II. Public POCs for CVE-2026-29041
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release v1.11.34 · chamilo/chamilo-lms · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-29041
Same Patch Batch · chamilo · 2026-03-06 · 7 CVEs total
| CVE-2025-59542 | 9.1 CRITICAL | Chamilo: Account Takeover via Stored XSS in Course Learning Paths |
| CVE-2025-59543 | 9.1 CRITICAL | Chamilo: Account Takeover via Stored XSS in Course Description |
| CVE-2025-55289 | 8.8 HIGH | Chamilo: Stored Cross Site Scripting in Skills Argumentation |
| CVE-2025-59541 | 8.1 HIGH | Chamilo: CSRF Vulnerability in Project Deletion |
| CVE-2025-59540 | Chamilo: Stored Cross-Site Scripting (XSS) in Chamilo LMS Exercise Feedback | |
| CVE-2025-59544 | Chamilo: Unauthorized access to update category of any user |
IV. Related Vulnerabilities
Same product: chamilo-lms
- CVE-2026-40291
Chamilo LMS has Privilege Escalation via API User Role Modif - CVE-2026-35196
Chamilo LMS has OS Command Injection via export_all_certific - CVE-2026-34602
Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthoriz - CVE-2026-34370
Chamilo LMS: IDOR in the Notebook Module allows an attacker - CVE-2026-34161
Chamilo LMS: Stored XSS via Malicious File Upload in Social
Same vendor: chamilo
- CVE-2026-40291
Chamilo LMS has Privilege Escalation via API User Role Modif - CVE-2026-35196
Chamilo LMS has OS Command Injection via export_all_certific - CVE-2026-34602
Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthoriz - CVE-2026-34370
Chamilo LMS: IDOR in the Notebook Module allows an attacker - CVE-2026-34161
Chamilo LMS: Stored XSS via Malicious File Upload in Social
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
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