Description
HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests
Published: 2026-09-18
Score: 7.5 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Workaround

See https://github.com/netty/netty/security/advisories/GHSA-w6j8-x45j-w75f 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/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests
Title Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular connect requests
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-20
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': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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: 2026-09-18T15:20:00.275Z

Reserved: 2026-09-18T10:03:17.897Z

Link: CVE-2026-93568

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-18T15:17:20.600

Modified: 2026-09-18T15:17:20.600

Link: CVE-2026-93568

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses