CVE-2026-93569
Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority
HIGH
8.2
CVSS Score
Published: September 18, 2026 at 02:27 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
HIGH8.2
Exploit prediction
EPSS 2%
SSVC
No known exploit
Description
HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority
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=2536962SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.2HIGHredhat
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-444
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