CVE Feed

    Dashboard / CVE / CVE-2026-87742

    CVE-2026-87742

    A flaw was found in quarkus-websockets-next. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by streaming messages over a single connection faster than the application can process them. Due to unbounded message buffering and a lack of read backpressure, this rapidly exhausts heap space, leading to a java.lang.OutOfMemoryError that crashes the Java Virtual Machine (JVM).

    Published:Sep 17, 2026
    Last Modified:Oct 9, 2026
    EPS:Sep 17, 2026
    EPSS Score:0.00759
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Build Of Quarkus
    Vendor
    Redhat
    Product
    Enterprise Linux Ai
    Vendor
    Redhat
    Product
    Exploit Intelligence
    Vendor
    Redhat
    Product
    Quarkus

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-87744 (CVSS 9.1) — A flaw was found in Quarkus REST Data Panache. This vulnerability allows unauthenticated attackers to bypass s…
    CVE-2026-10832 (CVSS 5.9) — A flaw was found in the DERDecoder class within wildfly-elytron-asn1. A remote attacker can exploit this resou…
    CVE-2026-89059 (CVSS 7.5) — A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without …
    CVE-2026-89058 (CVSS 7.4) — A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the req…
    CVE-2026-87743 (CVSS 7.5) — A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths …
    CVE-2026-81829 (CVSS 5.3) — A flaw was found in SmallRye JWT's AwsAlbKeyResolver, which is used by applications to verify JSON Web Tokens …
    CVE-2026-93432 (CVSS 6.1) — A flaw was found in the Quarkus Qute template engine. When the {#eval} section helper processes a sub-template…
    CVE-2026-93579 (CVSS 6.5) — A flaw was found in Netty's HTTP/2 stack. This vulnerability allows a remote attacker to inject prohibited cha…
    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-…

    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