A Bootiful Podcast: Dr. Kris De Volder on Spring Tools, VS Code, and so much more

Hi, Spring fans! In this episode Josh Long @starbuxman talks to Dr. Kris De Volder, a longtime member of the Spring Tools team, about all the cool stuff hes worked on and is going to work on. And then we get knee deep into a discussion around building IDE integrations...

A Bootiful Podcast: Spring Developer Advocate Dan Vega

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to fellow Spring Developer Advocate Dan Vega @therealdanvega...

A Bootiful Podcast: JVM and .NET legend Ted Neward on... just about everything

Hi, Spring fans! In this installment, I @starbuxman talk to my old friend, world-famous polyglot and code curmudgeon, software philosopher, industry veteran, and legend of ecosystems aplenty, Ted Neward @tedneward...

A Bootiful Podcast: Simon Ritter, Java Champion and deputy CTO at Azul

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Azul Deputy CTO and Javas own mad scientist and luminary Simon Ritter @speakjava...

Building Native Images with GraalVM and Spring Native on Apple's M1 Architecture

It finally happened! They did it! They did it just in time for me to get on the road and start building applications on the road with my shiny new laptop, too! JOY!! Oracle and the GraalVM team released GraalVM and the GraalVM native image capability for Apple M1! Ive been waiting for this day fo...

Remote Code Execution with spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.3 and 2.2 prior to 2.2.2 and 2.1 prior to 2.1.2 and 2.0 prior to 2.0.15 and older unsupported versions, contains a remote code execution vulnerability. A malicious user or attacker can craft an authorization request to the authorization endpoint th...

This Week in Spring - September 8th, 2026

Bonjour a tout le monde! Welcome to another rip-roarin' installment of This Week in Spring! It's a fabulous and fun day here in Paris, France, as I wait to board the train to Amsterdam for the IntelliJ IDEA conference! It's going to be amazing. We've got another incredible week's roundup to dive...

cve-2026-47861 - MEDIUM - UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=false

cve-2026-47861 - MEDIUM - UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=false...

cve-2026-47883 - MEDIUM - Spring Framework Open Redirect in UrlHandlerFilter

cve-2026-47883 - MEDIUM - Spring Framework Open Redirect in UrlHandlerFilter...

cve-2026-47848 - MEDIUM - Reactor Netty WebSocket Client Leaks Credentials On Redirect

cve-2026-47848 - MEDIUM - Reactor Netty WebSocket Client Leaks Credentials On Redirect...

cve-2026-59327 - MEDIUM - CVE-2026-59327: Cleartext Storage of Spring Boot DevTools Remote Secret in Eclipse Launch Configurations

Spring Tools for Eclipse stores the Spring Boot DevTools remote secret spring.devtools.remote.secret as a plain string attribute on the "Spring Boot DevTools Client" launch configuration. Eclipse persists launch configuration attributes as cleartext XML, either to workspace metadata or, if the us...

A Bootiful Podcast: Russ Miles on Safer, More Productive Interactions with AI

I’m joined, I think, for the second time by my friend, the legendary architect and developer extraordinaire Russ Miles, who has given some of the most cerebral and exciting Spring keynotes and talks ever. And this time, he’s back to talk about — guess what — A.I. As usual, he’s got a different an...

cve-2026-40994 - HIGH - Wss4jSecurityInterceptor disables WS-I BSP validation by default

cve-2026-40994 - HIGH - Wss4jSecurityInterceptor disables WS-I BSP validation by default...

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature...

cve-2026-40993 - HIGH - Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry

cve-2026-40993 - HIGH - Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry...

cve-2026-41706 - MEDIUM - Open Redirect When Using CookieRequestCache

cve-2026-41706 - MEDIUM - Open Redirect When Using CookieRequestCache...

cve-2026-41721 - MEDIUM - Spring Data Commons Denial of Service via Data Binding

cve-2026-41721 - MEDIUM - Spring Data Commons Denial of Service via Data Binding...

A Bootiful Podcast: Hadi Hariri, Jetbrains legend

Hi Spring and Kotlin fans! In this installment, I have the privilege of talking to my old friend and JetBrains legend Hadi Hariri, recorded live from Kotlin Conf 2026 in Munich, Germany! kotlin jvm java springboot...

Spring gRPC AuthenticationException message reflected to remote client

The raw message of every server-side AuthenticationException is returned to the unauthenticated remote caller in the gRPC status description. This allows an attacker to obtain information about the authentication failure, which may be useful for further attacks...

A Bootiful Podcast: A Bootiful Podcast: Dr. Venkat Subramaniam and James Ward on Intelligent Kotlin and So Much More

I am beyond thrilled that I got to co-present with two legends, Dr. Venkat Subramaniam and James Ward, at Voxxed Days Amsterdam, and even more so that they both sat down for a quick discussion with me right before that presentation. Enjoy!...

Servlet Path Not Correctly Included in Path Matching of XML Authorization Rules

If an application uses to define the servlet path for computing a path matcher, then the servlet path is not included and the related authorization rules are not exercised. This can lead to an authorization bypass...

Spring AI Agentic Patterns (Part 6): AutoMemoryTools — Persistent Agent Memory Across Sessions

File-Based Long-Term Memory for Spring AI Agents Agents are only as useful as what they remember. Spring AI's Chat Memory stores the full conversation and can persist it across restarts, but when the window fills, the oldest messages are evicted. The upcoming Session API will add recursive...

Server-Side Request Forgery in BedrockProxyChatModel via Unvalidated Media URL Fetching

spring-ai-bedrock-converse contains a Server-Side Request Forgery SSRF vulnerability in BedrockProxyChatModel when processing multimodal messages that include user-supplied media URLs. Insufficient validation of those URLs allows an attacker to induce the server to issue HTTP requests to unintend...

Null-safe applications with Spring Boot 4

This is a new blog post in the Road to GA series, this time sharing an update on the status of the null-safety support across the Spring portfolio, as a follow-up of my previous related blog post Null Safety in Spring applications with JSpecify and NullAway and related Spring I/O talk. Are we...

Multi-Factor Authentication in Spring Security 7

In 2013, it was proposed to add multi-factor authentication into Spring Security. That was the year that “selfie” was added to the English dictionary and “What Does the Fox Say?” was a viral YouTube hit. Needless to say, one of the biggest features in Spring Security 7 is a long time coming, and ...

Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux

The following versions of Spring Cloud Gateway Server Webflux may be vulnerable to Spring Environment property modification. An application should be considered vulnerable when all the following are true:...

A Bootiful Podcast: Andrew Lombardi, Beginning Spring AI co-author, and friend of the show

Hi, Spring fans! In this installment I am thrilled to talk to my longtime friend Andrew Lombardi about the latest-and-greatest, his new book Beginning Spring AI , and more...

Authentication Leak On Redirect With Reactor Netty HTTP Client

In some specific scenarios with chained redirects, Reactor Netty HTTP client leaks credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects...

A Bootiful Podcast: API oracle Arjen Poutsma

Hi, Spring fans! In this edition, I had the pleasure of chatting with the brilliant Arjen Poutsma, our go-to API oracle. If you’re curious about his fantastic insights, thoughts, and consultancy services, be sure to check out poutsma-principles.com...

A Bootiful Podcast: The legendary Daniel Garnier-Moiroux on security, AI, MCP, and more

Hi, Spring fans! In this installment I talk to the legendary Daniel Garnier-Moiroux on security, AI, MCP, and more, recorded live at Devoxx UK 2025...

A Bootiful Podcast: This Week in Spring (AI) - May 20th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this, I'm in sunny Stockholm, Sweden for the JForum 123 installment. This is, apparently, the first time the meetup is completely full up since before the pandemic, with more than 150 people in attendance! Tak,...

Spring Security BCryptPasswordEncoder maximum password length breaks timing attack mitigation

The fix applied in CVE-2025-22228 inadvertently broke the timing attack mitigation implemented in DaoAuthenticationProvider...

A Bootiful Podcast: 'Mr. Apache' Jeff Genender

Hi, Spring fans! In this episode I'm joined by well-known member of the Java community Jeff Genender, whose contributions to Apache over the decades have driven several key projects with which you're no doubt familiar...

Using Spring AI 1.0.0-SNAPSHOT: Important Changes and Updates

Using Spring AI 1.0.0-SNAPSHOT: Important Changes and Updates Spring AI 1.0.0-SNAPSHOT introduces several important changes to artifact IDs, dependency management, and autoconfiguration. This blog post outlines these changes and provides guidance on how to update your projects. The most significa...

Spring Security authorization bypass for method security annotations on parameterized types

Spring Security may not correctly locate method security annotations on parameterized types or methods. This may cause an authorization bypass. Your application may be affected by this if the following are true: In that case, the target method may be able to be invoked without proper authorizatio...

This Week in Spring - January 7th, 2025

Hi, Spring fans, and happy new year! It's been another super seven days since we last spoke and, as always, there's a lot to cover so let's dive right into it! A long time in coming, but it's finally here! Hello DCO, Goodbye CLA: Simplifying Contributions to Spring the Spring AI hits just keep on...

A Bootiful Podcast: Dez Blanchfield, a tech legend for all ages

Hi, Spring fans! Happy happy = new Year2025! It's a new year and a new opportunity! In this episode I talk to my friend and legendary technologist Dez Blanchfield!...

HTTP/3 support in Reactor 2024.0 Release Train

HTTP/3, the latest major version of the Hypertext Transfer Protocol, had its specification finalized in June 2022. This version is designed to enhance performance, reliability, and security. Unlike its predecessors, HTTP/3 utilizes QUIC instead of TCP as its transport layer. QUIC is a UDP-based,...

Spring Framework DoS via conditional HTTP request

Applications that parse ETags from "If-Match" or "If-None-Match" request headers are vulnerable to DoS attack...

This Week in Spring - August 13th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's Tuesday and work is well underway to prepare for the huge SpringOne event in Las Vegas in just a few short week's time! I'm elated! So, let's get this roundup on the road so I can get back to the preparation frenzy...

Spring Tips: HTMX

Hi, Spring fans! HTMX is the progressive hypertext sensation that's sweeping the process of web app creation, and - thanks to a nice integration by Spring community legend Wim Deblauwe, it's easier than ever to use it with Spring Boot and Thymeleaf. And, it's the topic of today's installment! jav...

Arbitrary File Write Vulnerability in Spring Cloud Data Flow

Spring Cloud Data Flow is a microservices-based Streaming and Batch data processing in Cloud Foundry and Kubernetes. The Skipper server has the ability to receive upload package requests. However, due to improper sanitization for upload path, a malicious user who has access to skipper server api...

Spring Tips: Beans, Beans: What's in a Spring bean?

Hi, Spring fans! In this installment we explore the essential Spring bean. What are they, how are they created, and what do they mean to you?...

Spring Tips: GRPC

Hi, Spring fans! In this installment, we look at how to create GRPC-based services with Spring Boot...

Spring Framework 6.2.0-M1: all the little things

The Spring Framework team has been busy reviewing the issue tracker in anger and reducing the number of opened issues. This was long overdue, with a number of issues being invalid or superseded in the meantime. This helped the team focusing on a more manageable amount of issues and we used the...

A Bootiful Podcast: Netflix’s Paul Bakker and Kavitha Srinivasan on scaling Spring Boot and Spring GraphQL

Hi, Spring fans! In this installment, I'm thrilled to be joined by Netflix's Paul Bakker and Kavitha Srinivasan, who explain how they're integrating and evolving Spring for GraphQL in their own GraphQL stack and how they're managing, growing, and evolving thousands of services written in Spring B...

Spring Tips: Hello, Java 22!

Hi, Spring fana! In this installment, I look at the amazing, just-released, Java 22!...

A Bootiful Podcast: Stuart Marks (aka ”Dr. Deprecator”) on Java, its amazing features, and more

Hi, Spring fans! Happy one-day-belated Java 22 release day to those who celebrate! To ring in the new release, we've got an extra special and incredible discussion with a Java legend - somebody who's been involved in the Java community and work for decades - Stuart Marks, or "Dr. Deprecator," as...

Spring Tips: Spring AI

Hi, Spring fans! In this installment we'll look at the new Spring AI project, which provides convenient integrations with LLMs like the one behind ChatGPT and tools to support the RAG retrieval augmented generation pipeline. ai springboot artificialintelligence java graalvm cloud java21 postgresq...

A Bootiful Podcast: Spring creator Rod Johnson and Oracle vice president Heather VanCura

Hi, Spring and software fans! In this installment of the show we have Spring creator and investor Rod Johnson and Oracle vice president Heather VanCura on the show to talk about the premise of her new book - Developer Career Masterplan, coauthored with fellow Java luminary Bruno Souza: building...