# Critical RCE Vulnerability in Apache HTTP Server

- HackerByte page: <https://hackerbyte.net/en/stories/a-critical-remote-code-execution-rce-vulnerability-has-been-discovered-in-the-ap-50462177>
- Original source: <https://www.wiz.io/blog/cve-2026-119618-rce-apache-http-server-vulnerability>
- Hacker News discussion: <https://news.ycombinator.com/item?id=50462177>
- Submitted to Hacker News: 2026-11-12T02:11:11.000Z

A critical Remote Code Execution \(RCE\) vulnerability has been discovered in the Apache HTTP Server.

## AI-generated summary

A critical synchronization vulnerability, CVE\-2026\-119618, has been discovered in Apache HTTP Server's HTTP/2 module \(mod\_http2\). The flaw allows remote, unauthenticated attackers to corrupt heap memory and achieve arbitrary code execution by exploiting a race condition in the assign\_headers\(\) function. While no exploits are currently available, 64% of cloud environments are estimated to have vulnerable resources.

## Key points

- Critical RCE vulnerability CVE\-2026\-119618 in Apache HTTP Server's HTTP/2 module.
- Exploits a race condition in the assign\_headers\(\) function leading to heap corruption.
- Affects Apache HTTP Server versions 2.4.55 through 2.4.70 and mod\_h2 module versions 2.0.8 through 2.0.42.
- No exploits are publicly available, and no exploitation in the wild is reported.
- 64% of cloud environments have vulnerable resources, with 51% having publicly exposed instances.