A Bootiful Podcast: RabbitMQ engineer Arnaud Cogoluègnes on the new and novel in RabbitMQ

Hi, Spring fans! In this episode, Josh Long @starbuxman talks to RabbitMQ engineer Arnaud Cogoluègnes @acogoluegnes on the new and novel in RabbitMQ...

Privilege Escalation in spring-security-oauth2-client

Spring Security, versions 5.7 prior to 5.7.5 , and 5.6 prior to 5.6.9 , and older unsupported versions could be susceptible to a privilege escalation under certain conditions. A malicious user or attacker can modify a request initiated by the Client via the browser to the Authorization Server whi...

Spring Tips: Spring Boot & Apache Kafka

Hi, Spring fans! In this installment of Spring Tips, I look at the venerable Apache Kafka broker and its integrations at various level of abstraction in the Spring Boot ecosystem. Want to learn more about event driven architectures, AOT and GraalVM, Apache Kafka, and Spring Boot? SpringOne 2022 i...

A Bootiful Podcast: Observability guru Jonatan Ivanov on the future of observability in Spring Boot

Hi, Spring fans! In this installment, Josh Long @starbuxman talks to Spring observability guru Jonatan Ivanov @jonatanivanov...

This Week in Spring - August 1st, 2022

Aloha, Spring fans! Welcome to another installment of This Week in Spring! Im still on vacation on the beautiful island of Maui, Hawaii, but I wanted to say hello "aloha!" and share this weeks latest roundup of all thats good and glorious in the wide and wonderful world of Springdom. Funny thing,...

Spring Cloud Gateway Code Injection Vulnerability

Applications using Spring Cloud Gateway are vulnerable to a code injection attack when the Gateway Actuator endpoint is enabled, exposed and unsecured. A remote attacker could make a maliciously crafted request that could allow arbitrary remote execution on the remote host...

Dictionary attack with Spring Security queryable text encryptor

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has...

Directory Traversal with spring-cloud-config-server

Spring Cloud Config, versions 2.2.x prior to 2.2.2, versions 2.1.x prior to 2.1.7, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted UR...

Reactor Netty Consumes a Vulnerable Version of Netty

Reactor Netty, versions 0.8.x prior to 0.8.13 and 0.9.x prior to 0.9.1, depends on vulnerable versions of netty versions prior to 4.1.42, which incorrectly handles whitespace before a colon in headers, leading to HTTP request smuggling attacks...

Open Redirector in spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.5 , and 2.2 prior to 2.2.4 , and 2.1 prior to 2.1.4 , and 2.0 prior to 2.0.17 , and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request t...

Privilege Escalation in spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.4, and 2.2 prior to 2.2.3, and 2.1 prior to 2.1.3, and 2.0 prior to 2.0.16, and older unsupported versions could be susceptible to a privilege escalation under certain conditions. A malicious user or attacker can craft a request to the approval...

Unsafe Unzip with spring-integration-zip

spring-integration-zip , versions prior to 1.0.1, exposes an arbitrary file write vulnerability, that can be achieved using a specially crafted zip archive affects other archives as well, bzip2, tar, xz, war, cpio, 7z, that holds path traversal filenames. So when the filename gets concatenated to...

Remote code execution in spring-amqp

In affected versions of Spring AMQP, a org.springframework.amqp.core.Message may be unsafely deserialized when being converted into a string. A malicious payload could be crafted to exploit this and enable a remote code execution attack...

Data Binding Expression Vulnerability in Spring Web Flow

This CVE addresses a second path to exploiting the same vulnerability as the one described under CVE-2017-4971 . Applications that do not change the value of the MvcViewFactoryCreator useSpringBinding property which is disabled by default i.e. set to “false” can be vulnerable to malicious EL...

Data Binding Expression Vulnerability in Spring Web Flow

Applications that do not change the value of the MvcViewFactoryCreator useSpringBinding property which is disabled by default i.e. set to “false” can be vulnerable to malicious EL expressions in view states that process form submissions but do not have a sub-element to declare explicit data bindi...

Spring Data JPA Blind SQL Injection Vulnerability

Sort instances handed into user defined Spring Data repository query methods using manually declared JPQL queries are handed to the persistence provider as is and allow attackers to inject arbitrary JPQL into ORDER BY clauses which they might use to draw conclusions about non-exposed fields based...

Access Control Bypass in Spring Security

When using Spring Security's CAS Proxy ticket authentication a malicious CAS Service could trick another CAS Service into authenticating a proxy ticket that was not associated. This is due to the fact that the proxy ticket authentication uses the information from the HttpServletRequest which is...

Possible XSS when using Spring MVC

The JavaScriptUtils.javaScriptEscape method did not escape all characters that are sensitive within either a JS single quoted string, JS double quoted string, or HTML script data context. In most cases this will result in an unexploitable parse error but in some cases it could result in an XSS...

Fix for XML External Entity (XXE) Injection (CVE-2013-7315) in Spring Framework was Incomplete

Spring MVC's SourceHttpMessageConverter also processed user provided XML and neither disabled XML external entities nor provided an option to disable them. SourceHttpMessageConverter has been modified to provide an option to control the processing of XML external entities and that processing is n...

Spring Office Hours Podcast: S5E21 - Pro Spring Boot 4 with Felipe Gutierrez

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun are joined by returning guest Felipe Gutierrez, co-author with DaShaun of the new book "Pro Spring Boot 4: An Authoritative Guide with Best Practices" from Apress. Felipe and DaShau...

CVE-2026-59306

CVE-2026-59306...

CVE-2026-59323

CVE-2026-59323...

CVE-2026-59286

CVE-2026-59286...

cve-2026-59293 - MEDIUM - SMB minimum protocol dialect defaults to SMB1

cve-2026-59293 - MEDIUM - SMB minimum protocol dialect defaults to SMB1...

cve-2026-47856 - MEDIUM - JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list

cve-2026-47856 - MEDIUM - JsonToObjectTransformer resolves the jsonTypeId message header to an arbitrary class without an allow-list...

cve-2026-47884 - MEDIUM - Spring Framework Improper Path Limitation in XsltView

cve-2026-47884 - MEDIUM - Spring Framework Improper Path Limitation in XsltView...

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

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

cve-2026-47843 - LOW - Reactor Netty may incorrectly route traffic due to DNS resolver reuse

cve-2026-47843 - LOW - Reactor Netty may incorrectly route traffic due to DNS resolver reuse...

cve-2026-47851 - HIGH - Unbounded recursion over attacker-controlled PDF outline tree in Spring AI PDF Document Reader

cve-2026-47851 - HIGH - Unbounded recursion over attacker-controlled PDF outline tree in Spring AI PDF Document Reader...

cve-2026-59278 - MEDIUM - In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages

cve-2026-59278 - MEDIUM - In Spring for Apache Kafka, SSRF via DNS resolution triggered by untrusted java.net types in header mapper default trusted packages...

cve-2026-59280 - MEDIUM - Spring Framework Path Traversal via Backslash in SpringTemplateLoader

cve-2026-59280 - MEDIUM - Spring Framework Path Traversal via Backslash in SpringTemplateLoader...

cve-2026-47837 - MEDIUM - Spring Cloud Config Server Monitor Endpoint Does Not Validate Webhook Requests

cve-2026-47837 - MEDIUM - Spring Cloud Config Server Monitor Endpoint Does Not Validate Webhook Requests...

This Week in Spring - July 28th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! The title says in Spring , but here in the northern hemisphere, it's clearly the middle of summer. Hot! I'm sitting here on my laptop on a warm summer day, and my laptop is indeed hot because I've spent so much time outside...

This Week in Spring - June 16th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! I'm writing this from the oh-so-delightful and delicious! city of New Delhi, India. It's been a real privilege to come and visit so many amazing people. Last night my friend DaShaun and I presented here at the local Delhi JUG,...

This Week in Spring - May 19th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring!, this one written from the back of a taxi racing to the local Frankfurt train station, where I'll take a train to Munich for the amazing Kotlin Conf 2026 edition, where I'll be part of the keynote and deliver a talk on the...

This Week in Spring - May 12th, 2026

Hi, Spring fans! As I write this I am in Miami, FL at the CodeRemix.ai show, focused on the wide and wonderful world of OpenRewrite and Moderne. I've got a talk to give so let's dive right into it! a quick note about the upcoming release train dates in last week's installment of A Bootiful Podcas...

Unauthorized User Impersonation when Using X.509 Client Certificates

SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user...

This Week in Spring - October 28th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's a wonderful tuesday here in my home town of San Francisco as I write this from my condo's balcony, fresh off more than three weeks on the road. By the time we'll speak again in a week, Halloween will have come and gone...

Prompt Caching Support in Spring AI with Anthropic Claude

Large language model API costs can accumulate quickly when applications repeatedly send the same prompt content. A typical scenario: you're building a document analyzer that includes a 3,000-token document in every request. Five questions about that document means processing 15,000 tokens of...

A Bootiful Podcast: Oracle VP and GraalVM founder Thomas Weurthinger

Hi, Spring fans! In this installment I talk to Oracle VP and GraalVM founder Thomas Weurthinger, recorded at Devoxx 2025!...

The state of HTTP clients in Spring

This is a new blog post in the Road to GA series, this time exploring the new capabilities of our HTTP clients. This is also a good time to reflect on the state of HTTP clients in Spring, so we will use this opportunity to explain an important announcement: we are officially deprecating...

API Versioning in Spring

In this 2nd blog post of the Road to GA series highlighting major features within the Spring portfolio for the next major versions to be released in November, I’m going to focus on the upcoming API Versioning support in Spring Framework 7. Introduction API versioning is a challenging topic. Most...

A Bootiful Podcast: Spring legends Tasha Isenberg and Jason Konicki

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: My friend Anthony Dahanne on Buildpacks, Production, Docker images, and more

Salut fans de Spring! In this installment I'm joined by the legendary Anthony Dahanne. If you've enjoyed success in production using Spring's built-in spring-boot:build-image capability, you've got today's guest Anthony to thank for it!...

A Bootiful Podcast: HTMX creator Carson Gross

Hi, Spring and HTML fans! Today I talk to hypermedia enjoyer Carson Gross, creator of the ever popular HTMX library which eschews a ton of the complexity associated with building client side applications...

A Bootiful Podcast: Dr. Dave Syer on the new and nifty Spring gRPC project

Hi, Spring fans! In this installment I talk to the good and the great Dr. Dave Syer about the experimental! new Spring gRPC project!...

A Bootiful Podcast: the amazing K. Siva Prasad Reddy (SivaLabs)

Hi, Spring fans! In today's installment I talk to industry legend K. Siva Prasad Reddy @sivalabs. You've probably read one of his blogs. I know I have!...

This Week in Spring - December 10th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! As I write this I am in the southern hemisphere it's summer down here!, in Brisbane, waiting to board a plane for Sydney. It's been a ton of fun! I did a video looking at the latest-and-greatest in Spring Framework 6.2 - chec...

This Week in Spring - October 1st, 2024

Hi, Spring fans! it's the first of October! We're officially in the fourth quarter of 2024! Time's moving too quickly. Way too quickly. But as always, there's awesome stuff afoot, so let's dive right in! Spring Framework lead Juergen Hoeller looks at the road ahead, to Spring Framework 6.2 and...

A Bootiful Podcast: Spring founders Rod Johnson and Juergen Hoeller on the 20th Anniversary of Spring Framework 1.0

Hi, Spring fans! In this episode, more than 20 incredible years in the making, Spring founders Rod Johnson @springrod and Juergen Hoeller @springjuergen discuss Spring since its 1.0 release in 2004...