EIP-2026-115899

PRE-CVE

Navicat < 12.0.27 - Oracle Connection Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115899. PoCs published by Kevin McGuigan.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in Navicat < 12.0.27 by generating a malicious text file. When pasted into the Oracle connection host field, it triggers a SEH-based overflow with a controlled payload structure (junk + nSEH + SEH + fill).

Description

Navicat < 12.0.27 - Oracle Connection Overflow

Exploits (1)

exploitdb WORKING POC
by Kevin McGuigan · pythondoswindows
https://www.exploit-db.com/exploits/44558

This exploit demonstrates a buffer overflow vulnerability in Navicat < 12.0.27 by generating a malicious text file. When pasted into the Oracle connection host field, it triggers a SEH-based overflow with a controlled payload structure (junk + nSEH + SEH + fill).

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Navicat < 12.0.27
No auth needed
Prerequisites: Navicat < 12.0.27 installed on Windows · User interaction to paste payload into Oracle connection host field
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026