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    CVE-2026-93562

    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.

    Published:Sep 10, 2026
    Last Modified:Oct 15, 2026
    EPS:Sep 18, 2026
    EPSS Score:0.0041
    CVSS Score:6.5

    Affected Products

    Vendor
    Io.netty
    Product
    Netty-codec-http
    Vendor
    Redhat
    Product
    Amq Broker
    Vendor
    Redhat
    Product
    Amq Clients
    Vendor
    Redhat
    Product
    Apicurio Registry
    Vendor
    Redhat
    Product
    Build Keycloak
    Vendor
    Redhat
    Product
    Build Of Apache Camel For Quarkus
    Vendor
    Redhat
    Product
    Build Of Apache Camel For Spring Boot
    Vendor
    Redhat
    Product
    Build Of Apicurio Registry
    Vendor
    Redhat
    Product
    Build Of Debezium 3
    Vendor
    Redhat
    Product
    Build Of Keycloak
    Vendor
    Redhat
    Product
    Build Of Quarkus
    Vendor
    Redhat
    Product
    Camel Quarkus
    Vendor
    Redhat
    Product
    Camel Spring Boot
    Vendor
    Redhat
    Product
    Data Grid 8
    Vendor
    Redhat
    Product
    Debezium
    Vendor
    Redhat
    Product
    Jboss Data Grid
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Jboss Fuse
    Vendor
    Redhat
    Product
    Quarkus
    Vendor
    Redhat
    Product
    Quay 3
    Vendor
    Redhat
    Product
    Red Hat Single Sign On
    Vendor
    Redhat
    Product
    Rsingle Sign-on

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-93578 (CVSS 5.9) — A flaw was found in Netty's Online Certificate Status Protocol (OCSP) Client. The client fails to verify the '…
    CVE-2026-93576 (CVSS 7.5) — A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return (CR) and …
    CVE-2026-93575 (CVSS 7.5) — A flaw was found in Netty's MqttDecoder. An unauthenticated remote attacker can exploit this vulnerability by …
    CVE-2026-93574 (CVSS 6.5) — A flaw was found in Netty's `netty-codec-http` component. A remote attacker could exploit this vulnerability b…
    CVE-2026-93573 (CVSS 6.5) — A flaw was found in Netty's HTTP/1.1 decoder. This vulnerability allows a remote attacker to bypass `Transfer-…
    CVE-2026-93572 (CVSS 7.5) — A flaw was found in Netty's `RedisArrayAggregator` component. A remote attacker can exploit this vulnerability…
    CVE-2026-93569 (CVSS 8.2) — A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to …
    CVE-2026-93568 (CVSS 7.5) — A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTT…
    CVE-2026-93563 (CVSS 7.5) — A flaw was found in Netty's `SmtpResponseDecoder` component. A remote attacker, acting as a malicious or man-i…
    CVE-2026-93561 (CVSS 6.5) — A flaw was found in io.netty/netty-codec-memcache. The Memcache binary protocol codec incorrectly reads `keyLe…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High