EIP-2026-116936

PRE-CVE

Calavera UpLoader 3.5 - Local Buffer Overflow (SEH)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116936. PoCs published by Daniel la calavera.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in an unspecified software (likely a file uploader) by crafting a malicious 'uploadpref.dat' file. It uses a combination of padding, a NOP sled, a return address, and shellcode to execute 'calc.exe' as a proof of concept.

Description

Calavera UpLoader 3.5 - Local Buffer Overflow (SEH)

Exploits (1)

exploitdb WORKING POC VERIFIED
by Daniel la calavera · pythonlocalwindows
https://www.exploit-db.com/exploits/32050

This exploit targets a buffer overflow vulnerability in an unspecified software (likely a file uploader) by crafting a malicious 'uploadpref.dat' file. It uses a combination of padding, a NOP sled, a return address, and shellcode to execute 'calc.exe' as a proof of concept.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Unknown (likely a file uploader utility)
No auth needed
Prerequisites: Ability to write a malicious file to the target system · Target software must process the 'uploadpref.dat' file
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026