CVE-2026-119618
What is it?
Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.70. Affected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.
Official description from NVD.
What happened
Apache HTTP Server's mod_http2 module contains a critical remote code execution vulnerability affecting versions 2.4.55 through 2.4.70. Unauthenticated attackers can execute arbitrary code on servers with HTTP/2 enabled. The flaw is fixed in version 2.4.71 released November 11. Administrators running affected versions should upgrade immediately to patch the vulnerability.
From the Intel60 brief of Nov 12, 2026. AI-written summary: check the sources before acting.
Intel60 briefs
- CriticalApache HTTP/2 module critical RCE flaw CVE-2026-119618Nov 12, 2026