EIP-2026-115027

PRE-CVE

Centrinity FirstClass HTTP Server 5.50/5.77/7.0/7.1 - Long Version Field Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115027. PoCs published by I2S-LaB.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Centrinity FirstClass Internet Services by sending a crafted HTTP request with an overly long version string, causing a denial of service (DoS). The PoC demonstrates the vulnerability by overwriting memory with a specific payload length (246 bytes).

Description

Centrinity FirstClass HTTP Server 5.50/5.77/7.0/7.1 - Long Version Field Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by I2S-LaB · cdoswindows
https://www.exploit-db.com/exploits/23234

This exploit targets a buffer overflow vulnerability in Centrinity FirstClass Internet Services by sending a crafted HTTP request with an overly long version string, causing a denial of service (DoS). The PoC demonstrates the vulnerability by overwriting memory with a specific payload length (246 bytes).

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Centrinity FirstClass Internet Services
No auth needed
Prerequisites: Network access to the target system · FirstClass Internet Services running on port 80
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026