CVE-2026-47844

Reactor Netty HTTP Server Leaks Exception Details

In specific scenarios, the Reactor Netty HTTP Server may leak exception details across unrelated requests. In order for this to happen, the server must be configured with Brave Tracing. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Reactor Netty Reactor Netty

CVE-2026-47857

Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around

In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Reactor Core Reactor Core

CVE-2026-22752

Spring Security Authorization Server Dynamic Client Registration endpoints perform insufficient validation of client metadata

Authentication bypass by primary weakness vulnerability in Spring Security Spring Authorization Server. This issue affects Spring Authorization Server: from 7.0.0 through 7.0.4, from 1.5.0 through 1.5.6, from 1.4.0 through 1.4.9, from 1.3.0 through 1.3.10.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Authorization Server Spring Authorization Server

CVE-2026-41710

Cache Exhaustion in Stateful Retries leads to Denial of Service

An attacker can craft a large number of unique requests that trigger a failure, exhausting the capacity of the application-wide stateful retry cache. Once the cache is full, it permanently rejects any further updates, causing all later stateful retries and circuit breakers in the application to fail. Affected versions: Spring Retry 2.0.0 through 2.0.12; 1.3.0 through 1.3.4.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Retry Spring Retry

CVE-2026-41697

Spring Data Relational Parameter not Escaped for Query By Example LIKE Pattern

Spring Data Relational does not properly escape binding values of externally-controlled input when using StringMatcher (STARTING, ENDING, or CONTAINING) in Query By Example (QBE). An attacker can supply wildcard characters to perform boolean-based blind data inference. Affected versions: Spring Data Relational/JDBC/R2DBC 4.0.0 through 4.0.5; 3.5.0 through 3.5.11; 3.4.0 through 3.4.14; 3.3.0 through 3.3.16; 3.2.0 through 3.2.15; 3.1.0 through 3.1.14; 3.0.0 through 3.0.15; 2.4.0 through 2.4.19.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Data Relational Spring Data Jdbc Spring Data R2dbc and 1 more

CVE-2026-47845

Reactor Netty HTTP Server may incorrectly evaluate proxy addresses

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

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Reactor Netty Reactor Netty

CVE-2019-11284

Reactor Netty authentication leak in redirects

Pivotal Reactor Netty, versions prior to 0.8.11, passes headers through redirects, including authorization ones. A remote unauthenticated malicious user may gain access to credentials for a different server than they have access to.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Broadcom

Products

Reactor Netty

CVE-2020-5403

DoS Via Malformed URL with Reactor Netty HTTP Server

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

CVSS 3.1 · 7.5 High EPSS 1.2% KEV · Not listed

Vendors

Broadcom

Products

Reactor Netty

CVE-2020-5404

Authentication Leak On Redirect With Reactor Netty HttpClient

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 used incorrectly, leading to a credentials leak during a redirect to a different domain. In order for this to happen, the HttpClient must have been explicitly configured to follow redirects.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Redhat

Products

Reactor Netty Openshift Application Runtimes

CVE-2023-34054

Reactor Netty HTTP Server Metrics DoS Vulnerability

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 possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Specifically, an application is vulnerable if Reactor Netty HTTP Server built-in integration with Micrometer is enabled.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom

Products

Reactor Netty

CVE-2023-34062

reactor-netty-http: directory traversal vulnerability

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 user can send a request using a specially crafted URL that can lead to a directory traversal attack. Specifically, an application is vulnerable if Reactor Netty HTTP Server is configured to serve static resources.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed

Vendors

Broadcom

Products

Reactor Netty

CVE-2022-31684

reactor-netty-http: Log request headers in some cases of invalid HTTP requests

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Redhat

Products

Reactor Netty Camel Spring Boot Openshift Application Runtimes

CVE-2026-40998

Jaxp13 XPath XXE via StreamSource and SAXSource

Jaxp13XPathTemplate evaluated XPath expressions for StreamSource and SAXSource inputs using a code path that parsed attacker-controlled XML with the JDK's default DocumentBuilderFactory behavior instead of Spring's hardened parser configuration. Applications that evaluate XPath against untrusted XML payloads could therefore be exposed to XML External Entity (XXE) style attacks. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services

CVE-2026-40999

Spring WS SSRF via unvalidated WS-Addressing reply destinations

When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS may initiate outbound connections through configured WebServiceMessageSender instances to destinations taken directly from request headers without verifying that those destinations are safe to connect to. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services

CVE-2026-41000

WSS4J validation does not use configured replay cache

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be ineffective even when operators configured a replay cache on the interceptor. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services

CVE-2026-40985

Data Binding Vulnerability in Spring Web Flow with Unified EL Parser

Applications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Flow Spring Web Flow

CVE-2026-40986

Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML

Spring Web Flow's JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not "text/html", which can result in a scripting attack in the user's browser if the error response from the server contains error details with input reflected from an attacker. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Flow Spring Web Flow

CVE-2026-40994

Wss4jSecurityInterceptor disables WS-I BSP validation by default

Wss4jSecurityInterceptor initialized its BSP (WS-I Basic Security Profile) compliance flag so that inbound validation disabled WSS4J BSP enforcement on RequestData. Services that validate WS-Security on the network could therefore accept messages that violate BSP rules, weakening protocol-level checks. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services

CVE-2026-40995

X.509 authentication bypasses Spring Security account checks

X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services

CVE-2026-40996

Inbound WS-Security allows RSA PKCS#1 v1.5 key transport by default

Wss4jSecurityInterceptor defaulted allowRSA15KeyTransportAlgorithm to true, overriding Apache WSS4J's safer default for validation RequestData. Inbound WS-Security decryption could therefore accept RSA PKCS#1 v1.5 (rsa-1_5) encrypted key material unless operators explicitly reconfigured the flag. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Services Spring Web Services