EIP-2026-103864

PRE-CVE

Asterisk 1.8.x - SIP INVITE Request User Enumeration

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103864. PoCs published by Francesco Tornieri.

AI-analyzed exploit summary The provided SIP INVITE request demonstrates a user-enumeration weakness in Asterisk 1.8, allowing an attacker to harvest valid usernames by analyzing responses to crafted requests.

Description

Asterisk 1.8.x - SIP INVITE Request User Enumeration

Exploits (1)

exploitdb WORKING POC VERIFIED
by Francesco Tornieri · textremotemultiple
https://www.exploit-db.com/exploits/35685

The provided SIP INVITE request demonstrates a user-enumeration weakness in Asterisk 1.8, allowing an attacker to harvest valid usernames by analyzing responses to crafted requests.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Asterisk 1.8
No auth needed
Prerequisites: Network access to the Asterisk server · Ability to send SIP requests
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026