This Week in Spring - Jan 3rd, 2023

Hi, Spring fans! Happy new year! Its 2023 already! Who saw that comin? I sure didnt. This year promises to be more amazing than ever, and I cant wait to be a part of it. As usual, the first week of January is when we mark the date of the first installment of this humble roundup, This Week in...

This Week in Spring - July 5th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! This weeks all sorts of weird for me. Its Tuesday! But here in the US we just celebrated the 4th of July, and I, like many Americans, took a long weekend. Took some time with the family to do a little road trip up north to...

A Bootiful Podcast: Kubernetes legend and friend Cora Iberkleid on Tanzu, Cartographer, and more

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Kubernetes legend and fellow Tanzu Developer Advocate Cora Iberkleid @ciberkleid about Kubernetes and Cartographer supply chains...

This Week in Spring - August 4th, 2026

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's the 4th of August! We're already in month eight of this year! Great Scott! This is an interesting project to help ensure idempotency keys for Spring Boot requests A very interesting post on The New Stack titled, When...

This Week in Spring - April 14th, 2026

Hi, Spring fans! ¡Hola from Barcelona, Spain! I'm at the amazing Spring I/O event, hanging out with some of the amazing Spring ecosystem developers! Life is amazing here in the warm sun of springtime. There's a lot to look at this week, so let's dive right into it! Another nice tutorial on how to...

A Bootiful Podcast: Spring community legend and friend Simon Martinelli

Hi, Spring fans! Happy Thanksgiving from me, and I am sure the entire Spring team, to you! We are, it should be clear, oh so very grateful.. thankful.. for you, the community. This week it is my great pleasure to chat with Spring community legend Simon Martinelli...

This Week in Spring - November 10th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this I am preparing for a flight to North Carolina first in flight!. This week's going to be busy, but next week even busier still! I'll be at AI By The Bay in San Francisco, AI Native Dev Con in NYC, and QCon SF i...

A Bootiful Podcast: Spring Security community legend Laur Spilca

Hi, Spring fans! In this installment I talk to Spring Security community legend Laur Spilca, live from the Spring I/O show in beautiful Barcelona!...

A Bootiful Podcast: Thomas Vitale, author of Cloud Native Spring in Action

Hi, Spring fans! In today's episode I'm thrilled to sit down with my friend and Cloud Native Spring in Action author Thomas Vitale. This episode was recorded live at the amazing Spring IO 2024 event...

A Bootiful Podcast: Spring Boot cofounders Phil Webb and Dr. David Syer on the occasion of the 10th Anniversary of Spring Boot 1.0

Hi, Spring fans! In this installment I talk to cofounders Phil Webb and Dr. David Syer, on the occassion of the 10th Anniversary of Spring Boot...

This Week in Spring - SpringOne Essentials 2023 edition - January 24th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! Today is a very day for you see, today we kick off SpringOne Essentials, the online incarnation of SpringOne, online. We'll see you live, on stream, in just a few hours!. SpringOne Essentials is going to be amazing, but befor...

This Week in Spring - October 4th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! Its October 4th, 2022, and Im in Austin, TX, for the new version of show formerly known as the Kafka Summit, here to talk to folks about the amazing opportunities for Spring Boot and Apache Kafka. On the 12th, Ill be in...

This Week in Spring - September 15th, 2026

Hi, Spring fans! Welcome to another rip-roarin' installment of This Week in Spring! I'm writing this to you from sun-kissed San Francisco, CA, sipping some coffee and watching the bay from my breakfast nook. What a wonderful day! A wonderful day in which to learn about the latest and greatest in...

CVE-2014-0225

CVE-2014-0225...

cve-2026-47841 - HIGH - WebAuthn User Verification Bypass via Session Serialization

cve-2026-47841 - HIGH - WebAuthn User Verification Bypass via Session Serialization...

A Bootiful Podcast: Spring Security lead Rob Winch answers some security questions for me

Hi Spring and security fans! I got the legendary Spring Security lead Rob Winch to answers some of my burning security questions for us! Also: make sure you're downloading all the updates for the new Spring releases this week, the week of June 11th, 2026! or later...

Default security filter chain has no authorization rule with Actuator but without Health

In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all endpoints. For an application to be vulnerable, it must: If any of the above does not apply, the application is not vulnerable...

OpenTelemetry with Spring Boot

This is a new blog post in the Road to GA series, and this time we're taking a look at OpenTelemetry with Spring Boot. Introduction In modern cloud native architectures, observability is no longer optional; it is a fundamental requirement. You want to understand what your application is doing via...

The Road to GA - Introduction

As you all should be aware by now, the Spring portfolio is in the process of driving towards the next major versions to be released in November of this year. This will be only the fourth major generation for Spring Boot and the seventh major generation for Spring Framework in its over 20 year...

This Week in Spring - December 3rd, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's the first week of December and I am in the amazing city of Perth, Australia. Perth, for those of you who don't know, is amazing. And well worth the journey. But it is quite the journey! 27 hours, door-to-door, from San...

Supercharging Your AI Applications with Spring AI Advisors

In the rapidly evolving world of artificial intelligence, developers are constantly seeking ways to enhance their AI applications. Spring AI, a Java framework for building AI-powered applications, has introduced a powerful feature: the Spring AI Advisors. The advisors can supercharge your AI...

A Bootiful Podcast: Abdel Sghiouar, Cloud Native Developer Advocate at Google

Hi, Spring fans! Abdel Sghiouar is a senior Cloud Native Developer Advocate at Google, a co-host of the Kubernetes Podcast by Google and a CNCF Ambassador, and it was my pleasure to sit down with him at the amazing Spring IO event in Barcelona and catch up on all things Kubernetes and Google...

Spring Tips: Spring Boot 3.2

Hi, Spring fans! In this installment of Spring Tips, I look at the new Spring Boot 3.2 release, due to drop today, the 23rd of November 2023! 23-11-23! We're diving into the cool new features of Spring Boot 3.2 and Java 21. We'll explore how virtual threads from Project Loom make your code run...

This Week in Spring - July 11th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm in yummy, sunny Jakarta, Indonesia at the moment, preparing for a week of meetings and the SpringOne Tour Indonesia event later this week. I'll also be speaking in Kuala Lumpur, Malaysia on July 20th, 2023 . If you're in...

A Bootiful Podcast: Avalara's Kumaresan Muthaliar on GraphQL in the heavily regulated, data intensive domain of tax

Hi, Spring fans! In this installment Josh Long @starbuxman talks to Kumaresan Muthaliar, senior technical lead at Avalara, about GraphQL in the heavily regulated, data intensive domain of tax...

This Week in Spring - SpringOne Essentials 2023 edition - January 24th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! Today is a very day for you see, today we kick off SpringOne Essentials, the online incarnation of SpringOne, online. We'll see you live, on stream, in just a few hours!. SpringOne Essentials is going to be amazing, but befor...

This Week in Spring - January 17th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! I went to Helsinki, Finland, last week, and this week Im in Atlanta, Georgia, to speak at the Atlanta Java User Group. And, of course, next week, Ill be in New York to join a viewing party for the airing of SpringOne...

Introducing Spring Modulith

When designing software systems, architects and developers have plenty of architectural options to choose from. Microservice-based systems have become ubiquitous in the last couple of years. However, the idea of monolithic, modular systems has also regained popularity recently. Independent of the...

A Bootiful Podcast: Fellow Java Champion and TimescaleDB developer advocate Christoph Engelbert

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to fellow Java Champion and TimescaleDB developer advocate Christoph Engelbert @noctarius2k about PostgreSQL, Java, time series databases, observability, and so much more...

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-2026-59271 - MEDIUM - Admin password disclosed in BrokerNotAliveException message

cve-2026-59271 - MEDIUM - Admin password disclosed in BrokerNotAliveException message...

Spring Office Hours Podcast: S5E13 - Community Potluck

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this Potluck episode, Dan and DaShaun open up the floor to the community, answering your questions on Spring Boot, Spring AI, Spring Security, and whatever else is on your mind. Potluck episodes are shaped...

Spring AI Agentic Patterns (Part 5): Building Interoperable Agents with the Agent2Agent (A2A) Protocol

The Agent2Agent A2A Protocol is an open standard for seamless AI agent communication. It enables agents to discover capabilities, exchange messages, and coordinate workflows across platforms—regardless of their implementation. Spring AI A2A integrates the A2A Java SDK with Spring AI through Sprin...

This Week in Spring - January 21st, 2025

Hi, Spring fans! Welcome to another rip-roaring installment of This Week in Spring! It's time to dive into this week's wondrous roundup! Good news, everybody! Spring Cloud AWS 3.3.0 is available! A neat video on stored procedures in Spring A very interesting article on the flow diagrams for Sprin...

Spring Tips: Introducing Spring Modulith

Hi, Spring fans! In this installment we look at the amazing Spring Modulith project. It's goal is to help you better structure your codebase for architectural scalability. It's an amazing and refreshing approach to building applications. Think of it like a chance to pair program on the architectu...

Spring Security 6.3 Adds Passive JDK Serialization/Deserialization for Seamless Upgrades

In the early versions of Spring Security, a deliberate decision was made to avoid providing any guarantee of compatibility for serialized classes via JDK serialization between different versions of the project. This decision primarily took into account the context of RMI, with the recommendation...

A Bootiful Podcast: Mr. Spring in Action, Craig Walls

Hi, Spring fans! This week, I'm joined by one of my longtime heroes and fellow Disney fans, Craig Walls @habuma. He wrote the most popular book on Spring, Spring in Action, while helping the world stay connected with efforts like Spring Social. This episode was recorded live at SpringOne 2023, in...

A Bootiful Podcast: Gradle Developer Advocate, Java Champion, and legend Trisha Gee

Hi, Spring fans! In this installment, Java Champion and legend Trisha Gee @trishagee rejoins the show to talk about Gradle, developer productivity, and so much more...

This Week in Spring - July 12th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you? This week Im writing you from sunny Seattle, Washington, where were having our next installment of the SpringOne Tour series. Its been a ton of fun seeing all these fun and friendly faces again and getting to see...

Spring Shell 2.1.0-RC1 is now available

On behalf of the team and everyone who has contributed, Im happy to announce that Spring Shell 2.1.0-RC1 has been released and is now available from . Please see the release notes for more details. Thanks to all those who have contributed with issue reports and pull requests. How can you help?...

A Bootiful Podcast: Data guru Gregory Green on RabbitMQ, Valkey, Gemfire, Data Flow, and more

Hi, Spring and data fans! Want a faster, smarter data stack? Tune into this episode with Gregory Green for a deep dive into GemFire, RabbitMQ Streams, Dataflow, and more. We cover real-time event processing, active-active consistency, full-text search, vector search, and how to build resilient,...

A Bootiful Podcast: Java Developer Advocate Billy Korando on Java 27 and Beyond

Hi Spring fans! In this installment, I am thrilled to have the chance to sit down with Java Developer Advocate Billy Korando to talk about the amazing features in the upcoming Java 27! We recorded this a day before I flew to San Francisco to attend the world premiere of the Java documentary, so a...

cve-2026-40998 - HIGH - Jaxp13 XPath XXE via StreamSource and SAXSource

cve-2026-40998 - HIGH - Jaxp13 XPath XXE via StreamSource and SAXSource...

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior

cve-2026-41727 - MEDIUM - In Spring for Apache Kafka, forged retry topic headers subvert retry routing and backoff behavior...

A Bootiful Podcast: JetBrains' Marit van Dijk

hi Spring and IntelliJ IDEA fans! In this installment I talk to my friend and JetBrains Developer Advocate extraordinaire Marit van Dijk! This episode was recorded at JNation, an amazing show in Coimbra, Portugal! jetbrains java jnation...

Spring Office Hours Podcast: S5E14 - Spec Driven Development with Simon Martinelli

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun are joined by Java Champion, Vaadin Champion, and Oracle ACE Pro Simon Martinelli to talk about Spec-Driven Development. With AI reshaping how we write code, Simon makes the case th...

SSL bundle configuration silently bypassed in Spring Cloud Gateway

When configuring SSL bundles in Spring Cloud Gateway by using the configuration property spring.ssl.bundle , the configuration was silently ignored and the default SSL configuration was used instead...

RediSearch Query via Unescaped TAG Filter Values in RedisVectorStore

In RedisFilterExpressionConverter of spring-ai-redis-store , when a user-controlled string is passed as a filter value for a TAG field, stringValue inserts the value directly into the @field:VALUE RediSearch TAG block without escaping characters...

Explainable AI Agents: Capture LLM Tool Call Reasoning with Spring AI

When building AI agents with tool calling capabilities, developers often need insights into why an LLM chose a particular tool—not just which tool it selected. Understanding the model's reasoning process is important for debugging, observability, and building trustworthy AI systems. Spring AI now...

Next level Kotlin support in Spring Boot 4

Following the announcement of the strategic partnership between JetBrains and Spring in May, I would like to share a global update on various Kotlin-related features and documentation enhancements we have made recently, with the goal of making Spring Boot 4 the best framework to develop backend...