EIP-2026-117353

PRE-CVE

Ipswitch IMail Server 7/8 - Weak Password Encryption

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117353. PoCs published by Adik.

AI-analyzed exploit summary This exploit demonstrates a weak encryption vulnerability in Ipswitch IMail Server <= 8.1, where user passwords are obfuscated using a polyalphabetic Vigenère cipher with the username as the key. The provided code decrypts these passwords by subtracting the hex values of the username from the password hash.

Description

Ipswitch IMail Server 7/8 - Weak Password Encryption

Exploits (1)

exploitdb WORKING POC VERIFIED
by Adik · clocalwindows
https://www.exploit-db.com/exploits/24374

This exploit demonstrates a weak encryption vulnerability in Ipswitch IMail Server <= 8.1, where user passwords are obfuscated using a polyalphabetic Vigenère cipher with the username as the key. The provided code decrypts these passwords by subtracting the hex values of the username from the password hash.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Ipswitch IMail Server <= 8.1
No auth needed
Prerequisites: Local access to the registry where the encrypted passwords are stored · Knowledge of the username associated with the password
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026