CVE-2026-93568
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
HIGH
7.5
CVSS Score
Published: September 18, 2026 at 02:34 PM UTC
Updated: October 19, 2026 at 11:17 AM UTC
13 products affected across 1 vendorBuild of QuarkusBuild of DebeziumBuild of Apache Camel
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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%
SSVC
No known exploit
Description
HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Issue Trackingx_refsource_REDHAT
Source: cverecord
https://bugzilla.redhat.com/show_bug.cgi?id=2536961SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHredhat
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-20
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