Exploitation Summary
EIP tracks 1 public exploit for EIP-2026-103960. PoCs published by Dug Song.
AI-analyzed exploit summary This is a technical writeup describing a vulnerability in Kerberos authentication where the login service fails to verify the KDC's authenticity if the service is not registered as a principal or lacks a secret key. An attacker can spoof KDC responses to illicitly log into the server.
Description
Kerberos 4 4.0/5 5.0 - KDC Spoofing
Exploits (1)
exploitdb
WRITEUP
VERIFIED
by Dug Song · textremotemultiple
https://www.exploit-db.com/exploits/20181
This is a technical writeup describing a vulnerability in Kerberos authentication where the login service fails to verify the KDC's authenticity if the service is not registered as a principal or lacks a secret key. An attacker can spoof KDC responses to illicitly log into the server.
Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Theoretical
Target:
Kerberos (unspecified version)
No auth needed
Prerequisites:
Service not registered as a principal with the KDC · Service's secret key not installed on the host · Ability to spoof KDC responses
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026