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CVE-2026-41517— Emlog: Remote Code Execution via Malicious Plugin Upload

Quick assessment

Affected
emlog emlog
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.

emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 Emlog 2.6.11之前版本存在代码问题漏洞，该漏洞源于不安全的插件上传功能，可能导致攻击者上传并执行任意PHP代码。

AI Predicted 9.8 Difficulty: Easy EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
emlog emlog < 2.6.11 affected
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I. Basic Information for CVE-2026-41517

Vulnerability Information
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Vulnerability Title
Emlog: Remote Code Execution via Malicious Plugin Upload
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. Prior to version 2.6.11, insecure plugin upload functionality allows attackers to upload and execute arbitrary PHP code, leading to complete server compromise and persistent backdoor installation. This issue has been patched in version 2.6.11.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
emlog 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 Emlog 2.6.11之前版本存在代码问题漏洞，该漏洞源于不安全的插件上传功能，可能导致攻击者上传并执行任意PHP代码。
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
emlog emlog < 2.6.11 -

II. Public POCs for CVE-2026-41517

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III. Intelligence Information for CVE-2026-41517

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Vendor Advisories for CVE-2026-41517 (1)

Same Patch Batch · emlog · 2026-05-08 · 3 CVEs total

CVE-2026-42287 Emlog: SQL Injection Vulnerability in log_model.php within addLog() and updateLog() Functi
CVE-2026-42286 Emlog: Cross-Site Request Forgery in Admin Functions

IV. Related Vulnerabilities

Same product: emlog
Same vendor: emlog
Same weakness: CWE-434

V. Comments for CVE-2026-41517

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