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Title: Validate message endpoint in SSE client transport by Kehrlann · Pull Request #945 · modelcontextprotocol/java-sdk · GitHub

Open Graph Title: Validate message endpoint in SSE client transport by Kehrlann · Pull Request #945 · modelcontextprotocol/java-sdk

X Title: Validate message endpoint in SSE client transport by Kehrlann · Pull Request #945 · modelcontextprotocol/java-sdk

Description: The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI - Validate message endpoint in SSE client transport by Kehrlann · Pull Request #945 · modelcontextprotocol/java-sdk

Open Graph Description: Backport Validate message endpoint in SSE client transport #943 It also adds the appropriate changes to WebFluxSseClientTransport

X Description: Backport Validate message endpoint in SSE client transport #943 It also adds the appropriate changes to WebFluxSseClientTransport

Opengraph URL: https://github.com/modelcontextprotocol/java-sdk/pull/945

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Apr 30, 2026https://github.com/modelcontextprotocol/java-sdk/pull/945#issue-4359668474
Validate message endpoint in SSE client transport #943https://github.com/modelcontextprotocol/java-sdk/pull/943
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Validate message endpoint in SSE client transporthttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/ac2f0b33e11505ba1ae96aaa525cdd26493bf2a4
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#943https://github.com/modelcontextprotocol/java-sdk/pull/943
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Validate message endpoint in SSE WebFlux client transporthttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/646bb211629fee7c8878ea0acc24a1867686d3e7
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April 30, 2026 16:26https://github.com/modelcontextprotocol/java-sdk/pull/945#event-25042682694
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May 4, 2026 https://github.com/modelcontextprotocol/java-sdk/pull/945#ref-commit-0be6032
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DefaultSseMessageEndpointValidator allows same-origin message endpointshttps://github.com/modelcontextprotocol/java-sdk/commit/0be6032728d473ea4a172293e841a616ddbdaeb4
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#945https://github.com/modelcontextprotocol/java-sdk/pull/945
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May 4, 2026 15:29https://github.com/modelcontextprotocol/java-sdk/pull/945#commits-pushed-2ae9e13
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DefaultSseMessageEndpointValidator allows same-origin message endpointshttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/2ae9e13c645aec9962556af3a625fe2f60d1fff3
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Fix client conformance CIhttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/85275c270609ff6f9d09e9ce0830d0b32365bc58
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May 4, 2026 15:37https://github.com/modelcontextprotocol/java-sdk/pull/945#commits-pushed-39b5a1e
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Fix assertions in HttpClientSseClientTransportTestshttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/39b5a1e3309ae70e7cf6632f9aa0df33e183a8e0
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Fix assertion in WebFluxSseClientTransportTestshttps://github.com/modelcontextprotocol/java-sdk/pull/945/commits/f4e23dc0debc08a6ef67cc89e599d68d44710e85
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Introduce SSE message endpoint validator in WebFluxSseClientTransport spring-projects/spring-ai#5967 https://github.com/spring-projects/spring-ai/pull/5967
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