CVE-2026-59317

Spring for Apache Kafka is vulnerable to a denial of service via a poison-pill loop caused by missing header validation in DeadLetterPublishingRecovererFactory . The component reads the retry_topic-original-timestamp header from an inbound ConsumerRecord and passes its raw bytes directly to new B...

CVE-2026-59278

JsonKafkaHeaderMapper and DefaultKafkaHeaderMapper include java.net in their default trusted packages list. When these mappers are used — which is the default configuration for all @KafkaListener consumers — an external Kafka producer can inject a java.net.InetAddress type via the...

CVE-2026-59317

CVE-2026-59317...

Insecure Trusted-Package Validation

Spring for Apache Pulsar is vulnerable to an insecure trusted-package validation. The vulnerability is due to JsonPulsarHeaderMapper using a prefix-based check for trusted packages and treating an empty trusted-packages configuration as trusting all packages, which allows an attacker to potential...

Spring for Apache Pulsar: JsonPulsarHeaderMapper Trusted-Package Prefix Check Allows Unintended Subpackage Deserialization

JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default...

Spring for Apache Kafka: Improper Validation of Retry Topic Header Values Leads to Retry Sequence Manipulation

Spring Kafka's retry topic infrastructure did not sufficiently validate user-controlled header values before acting on them. A producer could send a record with a crafted retrytopic-attempts header to supply an out-of-range attempt count and cause the retry topic router to misidentify where the...

This Week in Spring - May 5th, 2026

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's May 5th, 2026, and I'm in Mainz, Germany, for the legendary JAX conference! It's been infinitely far too long since I've been at this amazing show, and I'm oh-so happy to be back here! Tonight, after my two talks here, I...

This Week in Spring – March 18th, 2025

Hi, Spring fans! I just got back from the amazing JavaOne show held in Redwood Shores. It was a fun, uproarious event and a great chance to reconnect with tons of friends, old and new. I love this community! One of the central highlights of this show? Java 24 is here, finally! And, as usual, we'v...

This Week in Spring - February 18th, 2025

Hi, Spring fans! It's the week of February 18th, 2025, and you know what that means? ConFoo and Devnexus are nearly here! Next week, I'll be traveling to amazing Montreal, Canada, to speak at the ConFoo show for an amazing community, poutine, and technology! Then, a few days later, it's off to...

This Week in Spring - November 26th, 2024

This Week in Spring - November 26th, 2024 Hi, Spring fans! Welcome to another installment of This Week in Spring! Happy Spring Boot 3.4 release month to those who celebrate! And, also, Happy Thanksgiving to those who celebrate! Spring Boot 3.4 brings with it long-anticipated updates to the entire...

This Week in Spring - August 27th, 2024 - SpringOne 2024 edition

Hi, Spring fans, from the expo hall of SpringOne at VMware Explore 2024! There's a livestream of some of the key talks - register and watch for free now at SpringOne.io. Right now I'm hanging out at the expo hall manning a booth and doing demos to the hoardes of people streaming by, but I'll be...

This Week in Spring - July 23rd, 2024

Hi, Spring fans! It's such an exciting time to be alive! I hope you're doing well. It's nearly the end of July, already! Time is flying and as always the community has not disappointed with their incredible content. Let's dive right into it! have you registered for SpringOne 2024 yet? I love this...

This Week in Spring - June 18th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! I've just come from Paris, France, and now I'm in equally beautiful Krakow, Poland, for the amazing Devoxx PL event. We've got a ton of good stuff to dive into, so let's get going! In last week's installment of Spring Tips, I...

This Week in Spring - Tuesday, April 23rd, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring! We've had a really busy, wonderful week, as always, so let's dive right into it! We want you! ...to submit a talk to SpringOne 2024, in sunny Las Vegas! Hurry, the CFP closes May 3rd! Spring Shell 3.1.11, 3.2.4, and 3.3.0-m1...

This Week in Spring - February 27th, 2024

Hi, Spring fans! Welcome to another installment of This Week in Spring wherein we explore the latest-and-greatest in the wonderful world of Springdom. This week's going to be a very good one, so let's dive right into it! good news everyone! Spring Boot's been updated! 3.3.0-M2, 3.2.3, and 3.1.9 a...

This Week in Spring - 28 November, 2023

Hi, Spring fans! I hope everyone who celebrated Thanksgiving had a wonderful time. Did you indulge in too much turkey? Anyway, let's jump into this week's edition of This Week in Spring—a particularly special one for a couple of reasons. First, it's our first issue after the launch of Spring Boot...

This Week in Spring - Spring Boot 3.2 edition - November 21st, 2023

Hi, Spring fans! Welcome to another epic installment of This Week in Spring! As amazing as the week's already been, it's all leading up to this Thursday - Thanksgiving day! - when we release Spring Boot 3.2! and yes, I am very grateful. This release is stuffed to the gills with a ton of new...

Introduction to Transactions in Spring Cloud Stream Kafka Applications

We are starting a new blog series that focuses on working with transactions in Spring Cloud Stream Kafka applications. This blog series covers many low-level details of writing transactional applications with Spring Cloud Stream and Apache Kafka. By the end of this blog series, we hope to give yo...

GHSA-CRQF-Q9FP-HWJW Spring-Kafka has Java Deserialization vulnerability When Improperly Configured

In Spring for Apache Kafka 3.0.9 and earlier and versions 2.9.10 and earlier, a possible deserialization attack vector existed, but only if unusual configuration was applied. An attacker would have to construct a malicious serialized object in one of the deserialization exception record headers...

PT-2023-4776 · Spring · Spring For Apache Kafka

Name of the Vulnerable Software and Affected Versions: Spring for Apache Kafka versions 3.0.9 and earlier Spring for Apache Kafka versions 2.9.10 and earlier Description: The issue is related to a deserialization attack vector in Spring for Apache Kafka. An attacker would have to construct a...