# Critical Apache HTTP/2 Flaw Could Let Unauthenticated Attackers Execute Code Remotely

> **Open Intelligence Dossier** · First detected: 2026-11-12 08:00 UTC · Category: Technology

## Executive Summary
A critical vulnerability in the Apache HTTP Server HTTP/2 module could allow unauthenticated attackers to execute code remotely.

## Intelligence Brief
A critical vulnerability has been identified in the Apache HTTP Server's HTTP/2 module, according to reports. BigGo Finance stated that versions 2.4.55 through 2.4.70 are affected by the issue, which could allow remote code execution via HTTP/2. Rescana reported that Apache HTTP Server version 2.4.71 fixes the critical mod_http2 heap corruption, designated as CVE-2026-119618.


Additional details on the mechanism of the flaw were provided by other sources. news.lavx.hu reported that a race condition in the Apache HTTP Server HTTP/2 module exposes servers to remote code execution. The Hacker News also noted that the critical Apache HTTP/2 flaw could let unauthenticated attackers execute code remotely.


Security teams and administrators managing affected systems are advised to review their software versions and apply the necessary patches provided by the vendor. The vulnerability highlights ongoing risks associated with HTTP/2 protocol implementations in widely used web servers.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Bitsight | CVE-2026-119618: A Critical Apache HTTP/2 Flaw Can Lead to Remote Code Execution | [Source Link](https://news.google.com/rss/articles/CBMinAFBVV95cUxQNUpTSzNuZFFtQkhTWUhhLUNiSU4zaGpNeUMzWWlScDVMV2MzNXYzNjdsU1EzcE9Obk02bEl1NXFXOUlOUmJRUzFBTE5mMkdWSDFfOWVzbjFKeWpwNzNMcWhIRDBDM1ZMeTloMWlyWi12M0FZRkdYNklUVmEyUi1PblU4cXZldDhPa0ZJVlk1TWdxOW1Xc0QycVl2QzY?oc=5) |
| news.lavx.hu | Race condition in Apache HTTP Server HTTP/2 module exposes servers to remote code execution | [Source Link](https://news.google.com/rss/articles/CBMivAFBVV95cUxNdXJwVGFPbjJiTlQyS0llTHlBWHdRTkZPTUVtVlpfcUVGLVZLWGYyamFVckx3Z2s4eUlMd0hwQkszWWFTS3l4Vm5CLXQ0eGUwOG41RE9PRDg1RjNHLXRWdG1SLUdjZTJ4d2lzejlfQnJrb0haVVdvbXdqam5OcmFubkQ0Sy1sRVdnTy1oWW0xbnpOcHVtWG9PUzFNNHFKT3lkNTM5T05JMFJMb2ptcHktNlpjQ3RFR3ZxclVURQ?oc=5) |
| BigGo Finance | Critical Vulnerability in Apache HTTP Server Could Allow Remote Code Execution via HTTP/2; Versions 2.4.55–2.4.70 Affected | [Source Link](https://news.google.com/rss/articles/CBMidkFVX3lxTE5WcHE3Y3JiU3N2LU9tbDhYQUt0N1ZzQXJ1dWxYaWtTWTl1RFliRTJBMXFZMHRzWmd2RUlWNGI4T2VaZjVqSGRKeldqREltY1l5SFpGS0cybmZnZDY4V0hMS3NlNjQxRF8ycTIyVXprRjlRcHl2Tnc?oc=5) |
| Rescana | Apache HTTP Server 2.4.71 Fixes Critical mod_http2 Heap Corruption (CVE-2026-119618) — Patch Now | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxNVTY4X1ZIeVhELWVSTVZkcU1xYThPYmh2VU1nV3EwR2RGanh6SnVyRGhvWU0zSnVJZ3doQ0JaZjlBc1NnQWxhMFdmc3JiVDNveElFdnVKdUNsLVY0b1ZGVmtnNGhIYUNHTFd1bmQ2SmhaNllwQmhNd3FWQk9IVzl6aG1OWQ?oc=5) |
| wiz.io | Critical RCE Vulnerability in Apache HTTP Server: Everything You Need To Know | [Source Link](https://news.google.com/rss/articles/CBMiggFBVV95cUxOOTAxaC1QOWxPbVZoSHNFcl9LSERXYTlWWlRsM3RlbnY5YlRKVVVWOVdVcDlKTEhuNkFFOFUtWkROTE56akVsYVVHblBUX0FsWjV4a3paMWljbWtYbDZscWNOSFNOQ2dzZHRjbzhCUmFVanlMX1N0VVhpNWpvc0NPaG5B?oc=5) |
| The Hacker News | Critical Apache HTTP/2 Flaw Could Let Unauthenticated Attackers Execute Code Remotely | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxQNlZ5NGpNTUR1WTAwTjBITzhrMFBmMHRBSTJjQnBYRjNrbEFNOEVKdE5GaU1rUTlSRmRpaG9aTFNsQWZjb09MWWhMcEI1eHoxRVNreFY3NFliaTBVV2tTQ3RpY2lSWnhMWjFneXNiQnN5ZkZmZFdJOFY4ck96R25tZg?oc=5) |

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*Canonical Source: https://pulse.byoaiapps.com/trend/2026-11-12/critical-apache-http-2-flaw-could-let-unauthenticated-attackers-execute-code*