CVE-2026-21902

CVE-2026-21902 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 2 public exploits from researchers including XiaomingX, watchtowrlabs.

AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2026-21902, an unauthenticated remote code execution vulnerability in Juniper Junos OS Evolved on PTX Series. The script leverages the REST API to create and execute arbitrary commands via DAG (Directed Acyclic Graph) configurations.

An Incorrect Permission Assignment for Critical Resource vulnerability in the On-Box Anomaly detection framework of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated, network-based attacker to execute code as root. The On-Box Anomaly detection framework should only be reachable by other internal processes over the internal routing instance, but not over an externally exposed port. With the ability to access and manipulate the service to execute code as root a remote attacker can take complete control of the device. Please note that this service is enabled by default as no specific configuration is required. This issue affects Junos OS Evolved on PTX Series: * 25.4 versions before 25.4R1-S1-EVO, 25.4R2-EVO. This issue does not affect Junos OS Evolved versions before 25.4R1-EVO. This issue does not affect Junos OS.