EIP-2026-104267

PRE-CVE

GitHub Enterprise < 2.8.7 - Remote Code Execution

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104267. PoCs published by orange.

AI-analyzed exploit summary This exploit leverages a deserialization vulnerability in GitHub Enterprise via a crafted marshal payload to achieve remote code execution. The payload is delivered through a memcached injection via the `composer/send_email` endpoint, triggering execution when a search query is performed.

Description

GitHub Enterprise < 2.8.7 - Remote Code Execution

Exploits (1)

exploitdb WORKING POC

by orange · pythonwebappsmultiple

https://www.exploit-db.com/exploits/42392

View Code ZIP pw:eip

This exploit leverages a deserialization vulnerability in GitHub Enterprise via a crafted marshal payload to achieve remote code execution. The payload is delivered through a memcached injection via the `composer/send_email` endpoint, triggering execution when a search query is performed.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: GitHub Enterprise < 2.8.7

Auth required

Prerequisites: Access to GitHub Enterprise instance · Ability to set WebHooks · Memcached service accessible

MITRE ATT&CK

T1189 - Drive-by Compromise T1059 - Command and Scripting Interpreter T1068 - Exploitation for Privilege Escalation

devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026