CVE-2026-47890

Spring Framework versions 7.0.0–7.0.8 and 6.2.0–6.2.19 are affected by a stream corruption issue when Server-Sent Events (SSE) are used with view fragments in Spring MVC and WebFlux applications. The NVD-assigned CVSS 3.1 score is 9.8 (Critical) , while the vendor (Spring) classifies it as LOW se...

CVE-2026-47889

CVE-2026-47889 affects Spring Framework WebFlux applications running on the Jetty 12 Core reactive adapter . The JettyCoreServerHttpResponse component serializes response cookies without the SameSite attribute , potentially weakening cookie-based session protection. Affected versions are Spring F...

EUVD-2026-66857

A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19...

CVE-2026-47885 Spring Framework maxPartSize Ignored in PartEventHttpMessageReader

The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28...

EUVD-2026-66853

The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28...

CVE-2026-47885

This vulnerability affects the PartEventHttpMessageReader in Spring WebFlux , which fails to enforce the maxPartSize limit when maxInMemorySize is set to -1, potentially allowing oversized multipart data to be processed without the intended size constraint. Affected versions are Spring Framework ...

CVE-2026-47883 Spring Framework Open Redirect in UrlHandlerFilter

UrlHandlerFilter can be vulnerable to an open redirect when configured with very broadly matching patterns. The issue applies to the filter variants in both Spring MVC and Spring WebFlux. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19...

CVE-2026-47883

Spring Framework 's UrlHandlerFilter is vulnerable to an open redirect (CWE-601) when configured with very broadly matching patterns, potentially generating headers that point to external origins. The issue affects both Spring MVC and Spring WebFlux filter variants in Spring Framework 6.2.0–6.2.1...

EUVD-2026-66851

UrlHandlerFilter can be vulnerable to an open redirect when configured with very broadly matching patterns. The issue applies to the filter variants in both Spring MVC and Spring WebFlux. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19...

PT-2026-82409

A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3....

PT-2026-82410

A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header predicate bypass in a pre-flight request. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring...

PT-2026-82408

Name of the Vulnerable Software and Affected Versions Spring Framework versions 6.2.0 through 6.2.19 Spring Framework versions 7.0.0 through 7.0.8 Description Spring MVC and WebFlux applications are susceptible to stream corruption. This issue occurs specifically when utilizing Server-Sent Events...

CVE-2026-41847

A flaw was found in Spring WebFlux applications. This vulnerability allows for a security bypass when using the Kotlin Router DSL. An attacker could exploit this to bypass security restrictions, potentially leading to unauthorized access. Mitigation This vulnerability only applies when using Kotl...

CVE-2026-41840

A flaw was found in Spring WebFlux applications. A remote attacker could exploit this vulnerability by sending specially crafted multipart requests, leading to a Denial of Service DoS condition. This could make the application unavailable to legitimate users. Mitigation No specific mitigation is...

CVE-2026-41847

CVE-2026-41847...

CVE-2026-41839

CVE-2026-41839...

CVE-2026-59279

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

Incorrect Authorization

Overview org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions. Affected versions of this package are vulnerable t...

Cross-site Scripting (XSS)

Overview org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions. Affected versions of this package are vulnerable t...

Allocation of Resources Without Limits or Throttling

Overview org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions. Affected versions of this package are vulnerable t...