CVE Feed

    Dashboard / CVE / CVE-2023-4639

    CVE-2023-4639

    A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltrate HttpOnly cookie values or spoof arbitrary additional cookie values, leading to unauthorized data access or modification. The main threat from this flaw impacts data confidentiality and integrity.

    Published:Feb 8, 2024
    Last Modified:Apr 15, 2026
    EPS:Nov 17, 2024
    EPSS Score:0.0736
    CVSS Score:7.4

    Affected Products

    Vendor
    Redhat
    Product
    Camel Quarkus
    Vendor
    Redhat
    Product
    Camel Spring Boot
    Vendor
    Redhat
    Product
    Integration
    Vendor
    Redhat
    Product
    Jboss Data Grid
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Bpms Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Brms Platform
    Vendor
    Redhat
    Product
    Jboss Fuse
    Vendor
    Redhat
    Product
    Jboss Fuse Service Works
    Vendor
    Redhat
    Product
    Migration Toolkit Applications
    Vendor
    Redhat
    Product
    Migration Toolkit Runtimes
    Vendor
    Redhat
    Product
    Quarkus
    Vendor
    Redhat
    Product
    Red Hat Single Sign On
    Vendor
    Redhat
    Product
    Service Registry

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

    Related CVEs

    CVE-2026-86404 (CVSS 8.8) — EAP's Artemis deserialization configuration permits deserialization by default. ObjectMessage.getObject() uses…
    CVE-2026-84218 (CVSS 8.1) — A flaw was found in Jolokia's JSR-160 proxy functionality where insufficient validation of client-controlled J…
    CVE-2026-12894 (CVSS 8.8) — A flaw was found in the Qute template engine, which is used by Quarkus to generate dynamic content like HTML p…
    CVE-2026-17615 (CVSS 7.5) — A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perfor…
    CVE-2026-19611 (CVSS 7.4) — A flaw was found in WildFly Elytron. Password hashing and verification normalize input with Unicode NFKC, whic…
    CVE-2026-6857 (CVSS 7.5) — A flaw was found in camel-infinispan. This vulnerability involves unsafe deserialization in the ProtoStream re…
    CVE-2024-3884 (CVSS 7.5) — A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEnc…
    CVE-2025-48734 (CVSS 8.8) — Improper Access Control vulnerability in Apache Commons. A special BeanIntrospector class was added in vers…
    CVE-2025-2240 (CVSS 7.5) — A flaw was found in Smallrye, where smallrye-fault-tolerance is vulnerable to an out-of-memory (OOM) issue. Th…
    CVE-2025-27636 (CVSS 5.6) — Bypass/Injection vulnerability in Apache Camel components under particular conditions. This issue affects Apa…

    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