Vulnerability record · CVE-2026-119618 · published 11 November 2026

CVE-2026-119618: Apache http server race condition vulnerability

Apache · Http Server

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.

8.1 CVSS 3.1 High EPSS 1.3% · top 28.5% CWE-362 · Race condition

8.1CVSS 3.1 base score

1.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

9References

15 Nov 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Http Server Apache

Mod Http2 Icing

References

Link	Tags
https://httpd.apache.org/security/vulnerabilities_24.html	PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2026/11/11/13	Mailing ListThird Party Advisory
https://access.redhat.com/security/cve/cve-2026-119618	Third Party Advisory
https://bugs.gentoo.org/986161	Issue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2567318
https://github.com/AlmaLinux/updates/issues/4252	Issue Tracking
https://github.com/microsoft/azurelinux/pull/20165	Patch
https://ubuntu.com/security/CVE-2026-119618	Third Party Advisory
https://www.wiz.io/blog/cve-2026-119618-rce-apache-http-server-vulnerability	MitigationThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-119618), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.