Description
HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority
Published: 2026-09-18
Score: 8.2 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Workaround

See https://github.com/netty/netty/security/advisories/GHSA-cg2g-fxr4-mg8m for fixed versions and remediation guidance.

Tracking

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Advisories

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History

Fri, 18 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority
Title Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority
First Time appeared Redhat
Redhat amq Broker
Redhat apicurio Registry
Redhat build Keycloak
Redhat camel Quarkus
Redhat camel Spring Boot
Redhat debezium
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jboss Fuse
Redhat quarkus
Redhat red Hat Single Sign On
Weaknesses CWE-444
CPEs cpe:/a:redhat:amq_broker:7
cpe:/a:redhat:apicurio_registry:3
cpe:/a:redhat:build_keycloak:
cpe:/a:redhat:camel_quarkus:3
cpe:/a:redhat:camel_spring_boot:4
cpe:/a:redhat:debezium:3
cpe:/a:redhat:jboss_data_grid:8
cpe:/a:redhat:jboss_enterprise_application_platform:7
cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jboss_fuse:7
cpe:/a:redhat:quarkus:3
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat amq Broker
Redhat apicurio Registry
Redhat build Keycloak
Redhat camel Quarkus
Redhat camel Spring Boot
Redhat debezium
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jboss Fuse
Redhat quarkus
Redhat red Hat Single Sign On
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N'}


Subscriptions

Redhat Amq Broker Apicurio Registry Build Keycloak Camel Quarkus Camel Spring Boot Debezium Jboss Data Grid Jboss Enterprise Application Platform Jboss Fuse Quarkus Red Hat Single Sign On
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-18T14:37:53.917Z

Reserved: 2026-09-18T10:05:12.467Z

Link: CVE-2026-93569

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-18T15:17:20.743

Modified: 2026-09-18T15:17:20.743

Link: CVE-2026-93569

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses