EIP-2026-104012

PRE-CVE

NullLogic Null HTTPd 0.5.1 - Error Page Long HTTP Request Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104012. PoCs published by Luigi Auriemma.

AI-analyzed exploit summary This is a technical writeup describing a cross-site scripting (XSS) vulnerability in Null HTTPd 0.5.1 and prior. The vulnerability allows an attacker to bypass a previous XSS fix by sending a long HTTP request that overwrites memory, enabling the execution of malicious script code in a user's browser.

Description

NullLogic Null HTTPd 0.5.1 - Error Page Long HTTP Request Cross-Site Scripting

Exploits (1)

exploitdb WRITEUP VERIFIED
by Luigi Auriemma · textremotemultiple
https://www.exploit-db.com/exploits/23176

This is a technical writeup describing a cross-site scripting (XSS) vulnerability in Null HTTPd 0.5.1 and prior. The vulnerability allows an attacker to bypass a previous XSS fix by sending a long HTTP request that overwrites memory, enabling the execution of malicious script code in a user's browser.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: Null HTTPd 0.5.1 and prior
No auth needed
Prerequisites: Access to the target server · Ability to send crafted HTTP requests
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026