CVE-2026-29955
HIGHKubePlus < 4.2.0 - OS Command Injection via /registercrd chartName Parameter
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2026-29955. PoCs published by b0b0haha.
AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2026-29955, demonstrating command injection in KubePlus's kubeconfiggenerator component via the `chartName` parameter. The exploit leverages `shell=True` in `subprocess.Popen()` to execute arbitrary commands as root within the container.
Description
The `/registercrd` endpoint in KubePlus 4.14 in the kubeconfiggenerator component is vulnerable to command injection. The component uses `subprocess.Popen()` with `shell=True` parameter to execute shell commands, and the user-supplied `chartName` parameter is directly concatenated into the command string without any sanitization or validation. An attacker can inject arbitrary shell commands by crafting a malicious `chartName` parameter value.
Exploits (1)
This repository contains a functional exploit PoC for CVE-2026-29955, demonstrating command injection in KubePlus's kubeconfiggenerator component via the `chartName` parameter. The exploit leverages `shell=True` in `subprocess.Popen()` to execute arbitrary commands as root within the container.
References (2)
Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H