cve-2026-41715 - MEDIUM - Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect

cve-2026-41715 - MEDIUM - Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect...

Spring Office Hours Podcast: S5E16 - May Release Train Shift & What's Coming in Spring Boot 4.1

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun break down the recently announced shift of the May release train from May 11-22 to June 1-5, and what that means for your upgrade planning across the Spring portfolio. They also dig...

Expression injection in MilvusVectorStore doDelete allows data destruction

Spring AI's MilvusVectorStoredoDeleteList implementation is vulnerable to filter-expression injection via unsanitized document IDs...

Spring Cloud Config Clients Can Access Secrets From Any Project The Config Server Has Access To On Google Secrets Manager

When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server potentially exposing secrets from unintended GCP projects...

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...

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...

VectorStore FilterExpression Converter injection

In Spring AI, various FilterExpressionConverter implementations accept a filter expression object and translate them to specific vector store query languages. In several cases, keys and values are not properly escaped, leading to the ability to alter the query. Only applications that use...

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...

DevTools remote secret comparison is vulnerable to timing attacks

An attacker on the same network as the remote application may be able to utilize a timing attack to discover information about the remote secret. In extreme circumstances this could result in the attacker determining the secret and uploading changed classes, thereby achieving remote code executio...

PID file write follows symlinks at predictable default path

When an application is configured to use ApplicationPidFileWriter , a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started...

Predictable temp directory accepted without ownership verification

A local attacker on the same host as the application may be able to take control of the directory used by ApplicationTemp . When server.servlet.session.persistent is set to true and the attack persists across application restarts, this may allow the attacker to read session information and hijack...

Spring Security JdbcOneTimeTokenService allows a one-time token to authenticate multiple sessions

Applications that explicitly configure One-Time Token login with JdbcOneTimeTokenService are vulnerable to a Time-of-check Time-of-use TOCTOU race condition. An attacker with a valid one-time token can send concurrent requests to the authentication endpoint, allowing the single-use token to be...

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...

Static resource cache poisoning in Spring MVC and WebFlux

Spring MVC and WebFlux applications are vulnerable to cache poisoning when resolving static resources. More precisely, an application can be vulnerable when all the following are true: When all the conditions above are met, the attacker can send malicious requests and poison the resource cache wi...

A Bootiful Podcast: Mark Kropf on AI orchestration

Hi Spring fans! I was delighted to get a chance to sit and talk to my pal and Pivotal alum Mark Kropf about his efforts around orchestrating AI. This doesn’t have to do with the JVM or Spring, per se, but it’s an interesting discussion nonetheless...

Server-Side Request Forgery via Filter Expression Keys in Neo4jVectorStore

spring-ai-neo4j-store contains a Cypher injection vulnerability in Neo4jVectorFilterExpressionConverter . When a user-controlled string is passed as a filter expression key in Neo4jVectorFilterExpressionConverter of spring-ai-neo4j-store , doKey embeds the key into a backtick-delimited Cypher...

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...

A Bootiful Podcast: JetBrains and Spring community legend Marco Behler

hi, Spring fans! In this installment I have the privilege of talking to JetBrains legend Marco Behler...

Evolving Spring Vault: Introducing VaultClient

Back in September 2016, nearly a decade ago now, we introduced Spring Vault as a integration layer for HashiCorp Vault within Spring applications, complemented by Spring Cloud Vault for Spring Boot arrangements. The core idea has always been straightforward: Externalizing secrets to encrypted Vau...

This Week in Spring - November 18th, 2025

This Week in Spring - November 18th, 2025 Hi, Spring fans! I'm thrilled to be in New York City for an exciting week of joint presentations on Spring AI + Bedrock and Spring Boot with the legendary James Ward. First up: we'll present a workshop at the AI Native Dev Conf today, then speak at the...

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...

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...

HTTP Service Client Enhancements

In this 3rd blog post of the Road to GA series that’s highlighting major features within the Spring portfolio for the next major versions to be released in November we’ll have a look at new features for HTTP service clients, which are a collaborative effort across several Spring projects...

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 Authorization Server moving to Spring Security 7.0

Spring Authorization Server has come a long way since 1.0 was officially released in November 2022. Starting as a project separate from Spring Security, has allowed it to iterate quickly on feature development and ultimately grow a rich feature set for building OAuth2 Authorization Servers. It ha...

A Bootiful Podcast: Purnima Padmanabhan, General Manager, Tanzu Division, Broadcom

Hi, Spring fans! In this installment, we talk to the general manager of Tanzu, the legendary Purnima Padmanabhan, about AI, the power of the platform, and more. Recorded live from SpringOne 2025!...

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:...

This Week in Spring - September 2nd, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm in Frankfurt, awaiting my flight to the Java-tastic Javazone 2025 event where I'll be joined by the legendary James Ward to deliver an AI-focused look at the latest-and-greatest in Spring! And I'm still recovering from th...

A Bootiful Podcast: JobRunr founder Ronald Dehuysser on what's new in version 8

Hi, Spring fans! In this installment, fresh after an exciting and exhausting SpringOne 2025, I am thrilled to have talked with JobRunr founder Ronald Dehuysser on what's new in version 8.0.0. Learn more about JobRunr v8 here!...

This Week in Spring - August 26th, 2025

Hi, Spring fans! Welcome to another installment of This Week in Spring! I'm writing this from the floor of SpringOne, live from lovely Las Vegas! As you can imagine, I've got to get back into it, so we'll make this one a quick one. And if you're here, be sure to say "hi"! In last week's A Bootifu...

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...

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: 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...

Repository Vector Search Methods

The emergence of Large Language Models LLM has propelled Generative AI and surfaced one of its key components to a broad audience: Embeddings. Embeddings are a vector representation of data in a high-dimensional space capturing their semantic meaning. Vector representations allow for more efficie...

A Bootiful Podcast: Java Champion, Tessl Devrel head, friend, Virtual JUG co-founder Simon Maple

Hi, Spring fans! In this episode, we catch up with Java Champion, Tessl Devrel head, Virtual JUG co-founder, and friend Simon Maple! This episode was recorded at the amazing ArcOfAI conference held in amazing Austin, TX!...

This Week in Spring - April 15th, 2025

Spring AI M7 is here! This new release includes a bunch of awesome new features! And some refactorings. Notably that the Spring AI auto-configuration has changed from a single monolithic artifact to individual auto-configuration artifacts per model, vector store, and other components. This change...

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...

A Bootiful Podcast: BellSoft's Catherine Edelveis

Hi, Spring and JDK fans! In this week's episode I talk to BellSoft developer advocate Catherine Edelveis java springboot jre jdk graalvm CRaC...

A Bootiful Podcast: Spring Boot and Spring Initializr legend Moritz Halbritter

Hi, Spring fans! In this installment I talk to Spring Boot and Spring Initializr legend Moritz Halbritter...

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...

This Week in Spring - December 17th, 2024

This Week in Spring - December 17th, 2024 Hi, Spring fans! Welcome to another installment of a Bootiful Podcast! It's the 17th of December, 2024! And you know what means? The end of the year is nearly upon us! I can't believe it. It's been a very long year indeed, but I'm happy to get on board a...

A Bootiful Podcast: Heroku's Terence Lee

Hi, Spring fans! Happy Spring Boot 3.4.0 release day to those who celebrate! Today I'm joined by both Terence Lee, from Heroku, and my friend DaShaun Carter, and we talk about platforms, buildpacks, and more. heroku paas buildpacks,...

A Bootiful Podcast: Oracle Developer Advocate Andres Almiray

Hi, Spring fans! In this installment I talk to Oracle developer advocate Andres Almiray about the latest-and-greatest in the amazing Oracle database. Oracle SQL Java JConf...

A Bootiful Podcast: New York Java SIG chair and founder Frank Greco on community, AI, and more

Hi, Spring fans! In this installment, I talk to New York Java SIG chair and founder Frank Greco about AI, safety, Java, community, and more!...

From Spring Framework 6.2 to 7.0

Dear Spring community, Spring Framework 6.2 is shaping up for general availability in November 2024, with particularly significant revisions in the core container and in our web support: see "What's New in Spring Framework 6.2". This release is designed for use with JDK 17-23 and Jakarta EE 9-10...

This Week in Spring - August 6th, 2024

It's August! Egads, has that come quickly! AUGUST. The eigth month of the year, and we're almost done with the first week, in fact! It's not that I'm not grateful to be here, but, yah, wow that was quick. And, of course, the month of my all time double dutch favorite conference, SpringOne,...

A Bootiful Podcast: JobRunr creator Ronald Dehuysser

Hi, Spring fans! Happy 4th of July, if you celeberate! In this installment of A Bootiful Podcast, I talk to JobRunr.io creator Ronald Dehuysser, recorded live from the amazing Spring IO 2024 show in beautiful Barcelona, Spain!...

PKCE Downgrade in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

Spring Framework URL Parsing with Host Validation

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...