EIP-2026-100644

PRE-CVE

BlogEngine.NET 3.3.6/3.3.7 - 'theme Cookie' Directory Traversal / Remote Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100644. PoCs published by Aaron Bishop.

AI-analyzed exploit summary This exploit leverages a directory traversal vulnerability in BlogEngine.NET via the theme cookie to achieve remote code execution by uploading a malicious PostView.ascx file. The payload establishes a reverse shell to a specified listener.

Description

BlogEngine.NET 3.3.6/3.3.7 - 'theme Cookie' Directory Traversal / Remote Code Execution

Exploits (1)

exploitdb WORKING POC
by Aaron Bishop · pythonwebappsaspx
https://www.exploit-db.com/exploits/47011

This exploit leverages a directory traversal vulnerability in BlogEngine.NET via the theme cookie to achieve remote code execution by uploading a malicious PostView.ascx file. The payload establishes a reverse shell to a specified listener.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BlogEngine.NET v3.3.7 and v3.3.6
Auth required
Prerequisites: Valid credentials with file upload permissions · Network access to the target · Listener set up for reverse shell
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026