This Week in Spring - October 11th, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! I write this installment as I pack and prepare for my trip to Antwerp, Belgium, for the always-amazing Devoxx show in Antwerp, Belgium. Ive so missed this show over the pandemic and am so looking forward to returning. I hope ...

A Bootiful Podcast: Couchbase and Cloud legend Laurent Doguin

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to his friend, fellow Java Champion, and director of developer relations and strategy at Couchbase, Laurent Doguin @ldoguin SpringOne 2022 is almost here! This is our first in-person event since the pandemic and its when we release...

Potential Unintended Data Exposure for Resource Exposed by Spring Data REST

Applications that allow HTTP PATCH access to resources exposed by Spring Data REST in versions 3.6.0 - 3.6.5, 3.7.0 - 3.7.2, and older unsupported versions, if an attacker knows about the structure of the underlying domain model, they can craft HTTP requests that expose hidden entity attributes...

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...

Spring Cloud Function Dos Vulnerability

In Spring Cloud Function versions 3.2.5 and older unsupported versions, it is possible for a user who directly interacts with framework provided lookup functionality to cause denial of service condition due to the caching issue in Function Catalog component of the framework. At the time of writin...

A Bootiful Podcast: EasyMock contributor, Java Champion, and Java luminary Henri Tremblay

Hi, Spring fans! In this episode, Josh Long @starbuxman talks to fellow Java Champion, EasyMock engineer, and Java luminary, JUG leader, and legend Henri Tremblay @henritremblay...

Spring Cloud Gateway Request Vulnerability

Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services...

Unauthorized Access with Spring Security Method Security

Spring Security in combination with Spring Framework 5.0.5.RELEASE contain an authorization bypass when using method security. An unauthorized malicious user can gain unauthorized access to methods that should be restricted...

A Bootiful Podcast: BellSoft's Catherine Edelveis on hardened runtime images, container security, and more

Hi, Spring fans! I chat with BellSoft’s Catherine Edelweiss about using buildpacks and hardened images to ship Spring Boot apps with stronger security, cleaner defaults, and far less Dockerfile pain. BellSoft Docker Java JRE SpringBoot...

CVE-2026-59285

CVE-2026-59285...

cve-2026-59282 - MEDIUM - Spring Framework Denial of Service via Unbounded List Growth in Data Binding

cve-2026-59282 - MEDIUM - Spring Framework Denial of Service via Unbounded List Growth in Data Binding...

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-2026-47878 - MEDIUM - Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist

cve-2026-47878 - MEDIUM - Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist...

cve-2026-47894 - MEDIUM - Spring Cloud Config Server Native Environment Repository Exposure

cve-2026-47894 - MEDIUM - Spring Cloud Config Server Native Environment Repository Exposure...

A Bootiful Podcast: Spring Boot founder and lead Phil Webb

Hi, Spring fans! In this installment I talk to Spring Boot cofounder Phil Webb who joins the show to unpack the latest Spring Boot 4.1 release, from the long-awaited Spring gRPC support and MongoDB batch starter to security, observability, service connections, and other polished improvements...

cve-2026-40986 - MEDIUM - Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML

cve-2026-40986 - MEDIUM - Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML...

cve-2026-41000 - LOW - WSS4J validation does not use configured replay cache

cve-2026-41000 - LOW - WSS4J validation does not use configured replay cache...

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

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

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

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

cve-2026-41720 - HIGH - Authentication Bypass with Empty Password in Spring LDAP

cve-2026-41720 - HIGH - Authentication Bypass with Empty Password in Spring LDAP...

Unbounded cache for function definitions

OOM error is possible while attempting to add infinite amount of functions to Function Registry...

Spring gRPC SecurityContext leaks across requests on authorization failure

When an authenticated user is denied access to a gRPC method, their authenticated identity remains bound to the gRPC worker thread and can be inherited by a subsequent unauthenticated request on the same thread. This may allow the subsequent user to gain escalated permissions...

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...

Spring Cloud Config Profile Substitution Can Allow Unintended Access To Files And Enable SSRF Attacks

When substituting the profile parameter from a request made to the Spring Cloud Config Server configured to the native file system as a backend, it was possible to access files outside of the configured search directories. In addition, when using a source control backend, the profile parameter...

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 ...

This Week in Spring - September 16th, 2025

Hi, Spring fans! Welcome to another extra special installment of This Week in Spring , wherein we celebrate a very auspicious day indeed: the release of Java 25 and GraalVM 25! That's right: an incredible new iteration of the JVM has just dropped and with it come a ton of features! Let's go throu...

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: Spring Security lead Rob Winch on Spring Security 7.0, SpringOne 2025, and more

Hi, Spring fans! In this installment I'm joined by Spring Security lead Rob Winch to discuss the amazing new additions to Spring Security 7.0, coming in November of 2025, and the coverage you can expect when you see our talk at SpringOne 2025 have you registered - https://springone.io ?...

Spring Data JDBC and R2DBC 4.0 will support Composite IDs

I'm happy to announce, that Spring Data JDBC and R2DBC finally support Composite IDs starting with version 4.0.0-M4. Most of you probably know, but just to make sure everyone has the same understanding: From the database point of view a composite id or composite key is a primary key that consists...

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...

This Week in Spring - June 24th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! We're in the middle of June already! And you know what that means? Warm weather, fun, and of course: the amazing SpringOne event in lovely Las Vegas, NV! The content catalog went live today! I'll be there doing, among other...

A Bootiful Podcast: Micrometer.io lead Tommy Ludwig on the latest-and-greatest in observability for the Spring developer

Hi, Spring fans! In this episode, I talk to Micrometer.io lead Tommy Ludwig on the latest-and-greatest in observability for the Spring developer...

A Bootiful Podcast: IntelliJ IDEA lead Aleksey Stukalov

Hi, Spring fans! In this installment I talk to IntelliJ IDEA lead Aleksey Stukalov...

Using Spring AI 1.0.0-SNAPSHOT: Part 2 - Important Changes and Updates

Using Spring AI 1.0.0-SNAPSHOT: Part 2 - Important Changes and Updates This blog post is a continuation of our previous article Using Spring AI 1.0.0-SNAPSHOT: Important Changes and Updates, where we introduced the significant changes to artifact IDs, dependency management, and autoconfiguration ...

This Week in Sprng - April 1st, 2025

Hi, Spring fans! Welcome to another exciting installment of This Week in Spring! It's April Fools day, so be wary of things you read on the internet, but it's also the 11th anniversary of Spring Boot 1.0, which was released this day in 2014! that's not an April Fools. Happy birthday! I'm in...

A Bootiful Podcast: Spring Legend Glenn Renfro on Devnexus 2025, Cold brews, and More

Hi, Spring fans! In today's installment, I talk to Spring legend Glenn Renfro...

Bootiful Spring Boot 3.4: Start Here

Hi, Spring fans! And happy Spring Boot 3.4 release to those who celebrate! I know, I know what you're thinking: Josh, Spring Boot 3.4 already shipped! I know it. Spring Boot 3.4 dropped a week earlier this year! In the last couple of years, we’ve released Spring Boot on the same day as Thanksgivi...

Spring Cloud Function Web DOS Vulnerability

Description In Spring Cloud Function framework, versions 4.1.x prior to 4.1.2, 4.0.x prior to 4.0.8 an application is vulnerable to a DOS attack when attempting to compose functions with non-existing functions. Specifically, an application is vulnerable when all of the following are true: User is...

A Bootiful Podcast: Microsoft's Sandra Ahlgrimm on cloud, Java, AI, and more

Hi, Spring fans, from the amazing Spring IO conference in Barcelona, Spain! In this interview I talked to Microsoft's Sandra Ahlgrimm on all things cloud, Java, AI, and more. Also, a special and quick discussion with Spring IO founder Sergi Almar, who was last on the show in, I think, 2020!...

Spring Framework URL Parsing with Host Validation (2nd report)

Applications that use UriComponentsBuilder to parse an externally provided URL e.g. through a query parameter AND perform validation checks on the host of the parsed URL may be vulnerable to a open redirect attack or to a SSRF attack if the URL is used after passing validation checks. This is the...

A Bootiful Podcast: Google Developer Advocate, Java legend, Alexis Moussine Pouchkine

Hi, Spring fans! Happy Thanksgiving to those who celebrate! Have you tried out Spring Boot 3.2? It comes out NEXT week on the 23rd! Get the bits and try them out now! This week I am joined by Google Developer Advocate, Java legend, Alexis Moussine Pouchkine...

This Week in Spring - October 17th, 2023

Hi, Spring fans! Welcome to yet another installment of This Week in Spring! It's October 17th, 2023, and I am here in Montreal, Canada, and then I'm off to Salt Lake City, Utah on Thursday for the Java User Group there. Don't miss it! We've got a lot to cover this week so let's dive right into it...

Exposure of data and identity to wrong session in Spring for GraphQL

A batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 may be exposed to GraphQL context with values, including security context values, from a different session. An application is vulnerable if it provides a DataLoaderOptions instance when registering batch loader...

A Bootiful Podcast: Jetbrains' Anton Arhipov on IntelliJ, Java, and so much more

Hi, Spring fans! Welcome to another installment of A Bootiful Podcast! This week Josh Long talks to Jetbrain's developer advocate Anton Arhipov, recorded live from the amazing Spring IO show in Barcelona, Spain!...

This Week in Spring - June 20th, 2023

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm in Sydney, Australia, talking to customers, koalas, kangaroos, and whoever else will listen! I'll be doing a live presentation, tonight at the Microsoft Reactor here in Sydney. Register now and come join me! As usual, we'...

A Bootiful Podcast: Spring Integration lead Artem Bilan on the latest in Spring Integration 6

Hi, Spring fans! In this installment Josh Long @starbuxman talks to Spring Integration lead Artem Bilan @artembilan about the latest and greatest in Spring Integration. Spring Integration makes it easier to connect an increasingly larger ecosystem of disparate services and systems. SHOW NOTES: I...

From Spring Native to Spring Boot 3

Today, we are finishing to transition the Spring support for building native executables from the experimental Spring Native project to the official Spring Boot GraalVM native image support. In practice, that means we are archiving the Spring Native GitHub repository and moving it to the...