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

The Hacker News
LinuxCVEVulnerabilityCriticalApacheRed Hat

Overview

A serious vulnerability has been discovered in the Apache HTTP Server's HTTP/2 module, known as mod_http2. This flaw, cataloged as CVE-2026-119618, allows remote attackers to execute code on servers running versions 2.4.55 through 2.4.70, provided that HTTP/2 is enabled. The vulnerability was addressed with the release of version 2.4.71, which became available just yesterday. Red Hat, which distributes Apache as part of Red Hat Enterprise Linux, has confirmed that only servers with HTTP/2 enabled are at risk. This vulnerability is particularly concerning as it could allow unauthorized access and control over server operations, making timely updates crucial for affected users.

Key Takeaways

  • Affected Systems: Apache HTTP Server versions 2.4.55 through 2.4.70 with HTTP/2 enabled; Red Hat Enterprise Linux users.
  • Action Required: Update to Apache HTTP Server version 2.
  • Timeline: Newly disclosed

Original Article Summary

A critical flaw in Apache HTTP Server's HTTP/2 module, mod_http2, can let a remote attacker run code on the server. Tracked as CVE-2026-119618, it affects versions 2.4.55 through 2.4.70 and is fixed in version 2.4.71, released yesterday. Only servers with HTTP/2 enabled are affected, according to Red Hat, which ships the server as part of Red Hat Enterprise Linux. An attacker who can reach the

Impact

Apache HTTP Server versions 2.4.55 through 2.4.70 with HTTP/2 enabled; Red Hat Enterprise Linux users.

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Update to Apache HTTP Server version 2.4.71 or later to mitigate the vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Linux, CVE, Vulnerability, and 3 more.

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