Spring Tips: Kubernetes Native Java (Redux, 2022)

Hi, Spring fans! In this installment, Josh Long @starbuxman looks at some of the amazing opportunities for building Spring Boot applications intended for production in Kubernetes in mid 2022. The code, as usual, is available on the spring-tips Github organization...

BCrypt skips salt rounds for work factor of 31

Spring Security versions 5.5.x prior to 5.5.7, 5.6.x prior to 5.6.4, and earlier unsupported versions contain an integer overflow vulnerability. When using the BCrypt class with the maximum work factor 31, the encoder does not perform any salt rounds, due to an integer overflow error. The default...

cve-2026-47873 - HIGH - CVE-2026-47873: Spring Tools Docker integration publishes unauthenticated debug (JDWP) and JMX ports on all network interfaces

The Boot Dashboard Docker integration in Spring Tools publishes container control ports on all of the host's network interfaces 0.0.0.0 rather than restricting them to loopback...

cve-2026-41700 - HIGH - Cross-Site WebSocket Hijacking in Spring for GraphQL

cve-2026-41700 - HIGH - Cross-Site WebSocket Hijacking in Spring for GraphQL...

cve-2026-40995 - MEDIUM - X.509 authentication bypasses Spring Security account checks

cve-2026-40995 - MEDIUM - X.509 authentication bypasses Spring Security account checks...

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-2026-41717 - HIGH - Spring Data MongoDB - SpEL Expression Injection via Annotated Query Parameter Binding

cve-2026-41717 - HIGH - Spring Data MongoDB - SpEL Expression Injection via Annotated Query Parameter Binding...

A Bootiful Podcast: the legendary Adib Saikali

Hi, Spring fans! I'm so thrilled to have been able to sit down and talk to my friend Adib Saikali!...

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...

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...

AWS Bedrock Prompt Caching Support in Spring AI

In our previous blog post about Anthropic prompt caching, we explored how prompt caching dramatically reduces API costs and latency by reusing previously processed prompt content. We introduced Spring AI's five strategic caching patterns for Anthropic Claude models and showed how they automatical...

A Bootiful Podcast: Elastic's developer advocate extraordinairre Philip Krenn on the state of logging

Hi, Spring fans! In this installment, we talk to my friend and Elastic's developer advocate extraordinairre Philip Krenn on the state of logging...

This Week in Spring - July 15th, 2025

Hi, Spring fans! It's already the 15th of July! We're closer to 2026 than we are to 2024. And time's sure flying. Like I will, tomorrow. I'll be flying to Denver for the amazing UBERCONF software show! I'll be doing a workshop and two talks, and if you're there, I hope you'll come say "hi"! Let's...

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...

This Week in Spring - February 11th, 2025

Hi, Spring fans! It's almost Valentine's day, and let me just say: I love the Spring community! It's such an exciting and interesting place to be. Thank you everyone for all that you do. I'm busy preparing for ConFoo, in Montreal, Canada, and for Devnexus, in Atlanta, Georgia. If you're around be...

This Week in Spring - February 4th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's February 4th, 2025, as I write this. We are ten days away from Valentine's day, and about a month away from Devnexus. Lots to look forward to, in both the short term and the long term! Let's dive right into this week's...

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...

Bootiful Spring Boot 3.4: Spring AI

I love Spring AI. It’s an amazing project designed to bring the patterns and practices of AI engineering to the Spring Boot developer. It’s got clean idiomatic abstractions that’ll make any Sring developer feel right at home, and it has a ton of integrations with all manner of different vector...

What's new in Spring Modulith 1.3?

After half a year of development, Spring Modulith 1.3 GA has been released. It is packed with new features, improvements, and – best of all – community contributions. Let me walk you through some of the most interesting ones. Baseline Upgrades As usual, a new minor version of Spring Modulith...

From Spring Cloud Data Flow 2.11.x to 3.0

Dear Spring Community, With the recent announcement of Spring Framework 7.0 and Spring Boot 4.0, the Spring Cloud Data Flow team is pleased to announce the next major release, SCDF 3.0, to align with both Spring Framework 7.0 and Spring Boot 4.0. This will bring the following SCDF ecosystem of...

This Week in Spring - July 9th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! And what a week it's been! We've got a lot to get into, so let's dive right in. I quite liked this talk, Continuations: The magic behind virtual threads in Java by Balkrishna Rawool @ Spring I/O 2024 In last week's episode of...

Spring Tips: Go Further, Faster with Spring Boot 3.3 (UPDATED)

NB: I had an error in the AppCDS demo in the older video. This video supercedes that video, with a re-recorded segment on AppCDS. Make sure you're watching the latest of these two similarly titled videos! Hi, Spring fans! In this installment we look at ways to make your applications go further,...

This Week in Spring - May 7th, 2024

Hi, Spring fans! Welcome to another amazing installment of This Week in Spring! I'm in bellisima Rome, Italy, where I've just spent time in some fun meetings, and now I'm off to lovely London, UK, for Devoxx UK 2024. It's going to be amazing. If you're there, don't hesitate to say hi! I've got to...

A Bootiful Podcast: Carl Azoury, Zenika founder and CEO

Hi, Spring fans! In this installment I talk to Zenika founder and CEO Carl Azoury, and friend to the community and a part of the Spring story for decades...

A Bootiful Podcast: Flowable founder Joram Barrez on a Bootiful Podcast on workflow, business process management, and more

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Flowable founder Joram Barrez @jbarrez about workflow, business process management BPM, decision management, rules, and so much more...

Spring Tips: Learn Spring for GraphQL (the last two episodes: parts 7 and 8)

Hi, Spring fans! In thi^^^ these installments, we continue our series introducing the Spring for GraphQL project. This series features Spring for GraphQL lead Rossen Stoyanchev @rstoya05 - whose work you may know from basically everything in the wide and wonderful world of Springdom having to do...

This Week in Spring - May 3rd, 2022

Hi, Spring fans! Welcome to another installment of This Week in Spring! How are you doin? Im excited! This week Im speaking at the ArabJUG, and Ill be speaking at Microsofts huuuge JDConf event. Both of these are virtual. Then, next Monday, Im on a plane bound for London, UK, where Ill be speakin...

Insufficiently random session id in Java SockJS client

Session id generation in the Java SockJS client is not sufficiently secure and could allow a user to send messages to another user’s session. Note that this only affects users of the Java SockJS client, which generates its own session id. It does not affect browser clients even if they’re...

This Week in Spring - October 6th, 2026

Hi, Spring fans! It's another exciting week in the wonderful community, and this week I'm writing from awesome Antwerp, Belgium, site of the legendary Devoxx Belgium show. I've been coming here for most years since 2010, and the show is simultaneously new and exciting every year, while also...

This Week in Spring - August 25th, 2026

Hi, Spring fans! Welcome back to another installment of This Week in Spring. It’s a big week ahead: I’m about to head out on a packed tour through Europe—Wrocław for a friend’s wedding, Oslo for JavaZone, Paris for a Spring meetup details coming soon, Amsterdam for IntelliJ IDEA conf—and then on ...

CVE-2026-59317

CVE-2026-59317...

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-2026-47836 - HIGH - Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN

cve-2026-47836 - HIGH - Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN...

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...

cve-2026-59328 - MEDIUM - CVE-2026-59328: Cross-Site Scripting in Eclipse Spring Boot Starter Wizard Dependency Tooltips

Spring Tools for Eclipse renders Spring Boot starter wizard dependency tooltips in a native embedded browser SWT Browser with JavaScript enabled. Using untrusted and compromised Initializr endpoints for the Spring Boot starter wizard can result in arbitrary script execution inside the embedded...

A Bootiful Podcast: Spring Boot legend Moritz Halbritter on the latest and greatest in Spring Boot 4 and 4.1

Hi Spring fans! Spring Boot 4.1 is here and with it a ton of amazing features. I'm delighted to have had the opportunity to sit down with Moritz Halbritter, of Spring Boot and Spring Initializr fame, to talk about some of the amazing features...

cve-2026-40985 - MEDIUM - Data Binding Vulnerability in Spring Web Flow with Unified EL Parser

cve-2026-40985 - MEDIUM - Data Binding Vulnerability in Spring Web Flow with Unified EL Parser...

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-2026-41716 - HIGH - Spring Data web support unbounded negative-result cache keyed on attacker-supplied property names

cve-2026-41716 - HIGH - Spring Data web support unbounded negative-result cache keyed on attacker-supplied property names...

This Week in Spring - June 9th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! Tons of releases coming out today and this week! So make sure you're pulling in the latest posts, as often as possible! Spring LDAP 2026.06 Releases - Contains CVE Fix Spring Framework 7.0.8 and 6.2.19 Available Now Spring...

cve-2026-41728 - HIGH - Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections

cve-2026-41728 - HIGH - Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections...

cve-2026-41714 - MEDIUM - In Spring AMQP the `RabbitConnectionFactoryBean.setUri("amqps://...")` bypasses secure SSL setup, uses `TrustEverythingTrustManager`

cve-2026-41714 - MEDIUM - In Spring AMQP the RabbitConnectionFactoryBean.setUri"amqps://..." bypasses secure SSL setup, uses TrustEverythingTrustManager...

cve-2026-41701 - MEDIUM - In Spring AMQP sequential correlation IDs enable reply poisoning on fixed reply queues

cve-2026-41701 - MEDIUM - In Spring AMQP sequential correlation IDs enable reply poisoning on fixed reply queues...

ChatMemory DEFAULT_CONVERSATION_ID causes unintended cross-user data leakage

Spring AI's chat memory component contained a problematic default that, when not explicitly overridden, could result in unintended data exposure between users...

Ronald Dehuysser, founder of JobRunr, on their ambitious new JavaClaw-like agent runtime

Hi Spring fans! In this installment, I talk to my friend and JobRunr founder Ronald Dehuysser about the latest and greatest, and their new "JavaClaw" project!...

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...

VectorStoreChatMemoryAdvisor conversation scoping can lead to cross-tenant memory exfiltration

In Spring AI, an attacker can bypass conversation isolation and exfiltrate sensitive memory from other users’ chat histories, including secrets and credentials, by injecting filter logic through conversationId . Only applications that use VectorStoreChatMemoryAdvisor and pass user-supplied input ...

SQL Injection in CosmosDBVectorStore.doDelete()

SQL injection vulnerability in Spring AI's CosmosDBVectorStore allows attackers to execute arbitrary SQL queries via crafted document IDs. Only applications that use CosmosDBVectorStore and pass user-supplied input as document ids are affected...

Servlet Path Not Correctly Included in Path Matching of HttpSecurity#securityMatchers

If an application is using securityMatchersString and a PathPatternRequestMatcher.Builder bean to prepend a servlet path, matching requests to that filter chain may fail and its related security components will not be exercised as intended by the application. This can lead to the authentication,...

A Bootiful Podcast: Glenn Renfro on Java and Spring community legend and my friend - on Devnexus and more

Hi, Spring fans! In this installment I talk to the amazing Glenn Renfro about Spring Batch, Spring Integration, Spring AI, and much more — plus why you should definitely register to attend the amazing Devnexus event in Atlanta, GA!...