CivetWeb: PUT + SSI = RCE.

Published

2026-07-01 00:00

Collected

2026-07-03 09:46

---
id: 2076
title: "CivetWeb: PUT + SSI = RCE."
source_domain: bugpwn.com
source_url: "https://bugpwn.com/blog/civetweb-ssi-rce.html"
published_at: "2026-07-01 00:00"
tags: ["rce", "vulnerability-research", "web-security", "file-upload", "civetweb", "ssi", "cwe-434", "embedded-http-server", "source-code-audit"]
phying_url: "https://phying.com/item/2076"
lang: en
---

# CivetWeb: PUT + SSI = RCE.

## Summary

How two fully legitimate CivetWeb features (authenticated PUT + SSI #exec) combine into arbitrary remote code execution, with source code analysis, live demo, and hardening recommendations.

## Intelligence Metadata

- **Sources:** bugpwn.com
- **Published:** 2026-07-01 00:00
- **Original:** https://bugpwn.com/blog/civetweb-ssi-rce.html
- **Phying News:** https://phying.com/item/2076