CVE-2026-93562
Io.netty/netty-codec-http: netty: incomplete validation of malformed transfer-encoding allows http request smuggling
No known exploitation. EPSS puts it in the 45th percentile. Only a workaround so far.
What to do
No fixed build is published yet. The vendor describes a workaround.
What it is
From the CVE record
A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 45th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
10 events over 4 days, from the signal feeds we watch.
- Workaround availableworkaround available, record updated, record updated
- Workaround availablerecord updated
- Workaround availablepublished, weakness classified, record updated
Affected products
- Red Hat AMQ Broker 7Operating Systems / linux-distro
- Red Hat AMQ ClientsOperating Systems / linux-distro
- Red Hat build of Apache Camel 4 for Quarkus 3OSS Libraries / generic-library
- Red Hat build of Apache Camel for Spring Boot 4OSS Libraries / generic-library
- Red Hat build of Apicurio Registry 3DevTools & CI
- Red Hat build of Debezium 3OSS Libraries / generic-library
- Red Hat Build of KeycloakWeb & CMS Plugins
- Red Hat Data Grid 8Databases / cache-message-queue
And 4 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Scored 6.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- access.redhat.com/errata/RHSA-2026:69440
- access.redhat.com/errata/RHSA-2026:69470
- access.redhat.com/security/cve/CVE-2026-93562
And 1 more reference. See all after sign-in
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Red Hat AMQ Broker 7, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI