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    CVE-2026-47845

    In specific scenarios, Reactor Netty HTTP Server may incorrectly evaluate the remote IP address when HAProxy Protocol is enabled. In order for this to happen, the application must be configured to use HAProxy Protocol. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

    Published:Aug 26, 2026
    Last Modified:Sep 4, 2026
    EPS:Aug 26, 2026
    EPSS Score:0.00176
    CVSS Score:5.3

    Affected Products

    Vendor
    Broadcom
    Product
    Reactor Netty
    Vendor
    Spring
    Product
    Reactor Netty

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47843 (CVSS 3.7) — In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may…
    CVE-2023-34054 (CVSS 5.3) — In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, it is possib…
    CVE-2023-34062 (CVSS 7.5) — In Reactor Netty HTTP Server, versions 1.1.x prior to 1.1.13 and versions 1.0.x prior to 1.0.39, a malicious u…
    CVE-2022-31684 (CVSS 4.3) — Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP …
    CVE-2020-5403 (CVSS 7.5) — Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connect…
    CVE-2020-5404 (CVSS 5.9) — The HttpClient from Reactor Netty, versions 0.9.x prior to 0.9.5, and versions 0.8.x prior to 0.8.16, may be u…
    CVE-2019-11284 (CVSS 8.6) — Pivotal Reactor Netty, versions prior to 0.8.11, passes headers through redirects, including authorization one…

    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