Resource Exhaustion

Spring Batch is vulnerable to resource exhaustion. The vulnerability is due to the way FlatFileItemReader assembles multi-line records, where a specially crafted input file can cause excessive CPU consumption and memory usage, leading the batch job to stall or run out of memory...

CVE-2026-47881

Spring Batch's FlatFileItemReader supports files where a single logical record spans multiple physical lines — for example, a CSV field that contains embedded newlines wrapped in quotes. A specially crafted input file could exploit the way the reader assembles those multi-line records to consume...

CVE-2026-47875

Applications that deserialize execution contexts with Jackson2ExecutionContextStringSerializer are vulnerable to a deserialization attack if they use an untrusted data source for the job repository. The JobParameterDeserializer does not properly enforce the trusted-types allowlist, allowing an...

CVE-2026-47878

DefaultExecutionContextSerializer, used by default in Spring Batch's JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject without an ObjectInputFilter that restricts types to a trusted class allowlist. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.6 and earlier...

CVE-2026-47881 Denial of Service in Spring Batch FlatFileItemReader via Malformed Input File

Spring Batch's FlatFileItemReader supports files where a single logical record spans multiple physical lines — for example, a CSV field that contains embedded newlines wrapped in quotes. A specially crafted input file could exploit the way the reader assembles those multi-line records to consume...

CVE-2026-47881

CVE-2026-47881 is a denial-of-service vulnerability in Spring Batch 's FlatFileItemReader (versions 4.3.0–4.3.13 , 5.2.0–5.2.6 , and 6.0.0–6.0.4 ). A specially crafted input file exploiting multi-line record assembly can cause excessive CPU and memory consumption, stalling or exhausting the batch...

EUVD-2026-66844

Spring Batch's FlatFileItemReader supports files where a single logical record spans multiple physical lines — for example, a CSV field that contains embedded newlines wrapped in quotes. A specially crafted input file could exploit the way the reader assembles those multi-line records to consume...

EUVD-2026-66841

DefaultExecutionContextSerializer, used by default in Spring Batch's JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject without an ObjectInputFilter that restricts types to a trusted class allowlist. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.6 and earlier...

CVE-2026-47878

Spring Batch 's DefaultExecutionContextSerializer , used by default in the JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject() without an ObjectInputFilter restricting types to a trusted class allowlist. This enables deserialization of untrusted data (CWE-5...

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

DefaultExecutionContextSerializer, used by default in Spring Batch's JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject without an ObjectInputFilter that restricts types to a trusted class allowlist. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.6 and earlier...

CVE-2026-47875 JobParameterDeserializer bypasses the trusted-type allowlist

Applications that deserialize execution contexts with Jackson2ExecutionContextStringSerializer are vulnerable to a deserialization attack if they use an untrusted data source for the job repository. The JobParameterDeserializer does not properly enforce the trusted-types allowlist, allowing an...

CVE-2026-47875 JobParameterDeserializer bypasses the trusted-type allowlist

Applications that deserialize execution contexts with Jackson2ExecutionContextStringSerializer are vulnerable to a deserialization attack if they use an untrusted data source for the job repository. The JobParameterDeserializer does not properly enforce the trusted-types allowlist, allowing an...

CVE-2026-47875

Spring Batch (org.springframework.batch:spring-batch-core) versions 6.0.0–6.0.4 and 5.2.0–5.2.6 are vulnerable to deserialization of untrusted data in the JobParameterDeserializer. When Jackson2ExecutionContextStringSerializer is used with an untrusted job repository data source, the deserializer...

EUVD-2026-66839

Applications that deserialize execution contexts with Jackson2ExecutionContextStringSerializer are vulnerable to a deserialization attack if they use an untrusted data source for the job repository. The JobParameterDeserializer does not properly enforce the trusted-types allowlist, allowing an...

PT-2026-82395

Name of the Vulnerable Software and Affected Versions Spring Batch versions 6.0.0 through 6.0.4 Spring Batch versions 5.2.0 through 5.2.6 Description Applications using Jackson2ExecutionContextStringSerializer to deserialize execution contexts are susceptible to a deserialization attack when an...

Deserialization of Untrusted Data

Overview org.springframework.batch:spring-batch-core is a framework for writing offline and batch applications using Spring and Java. Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the JobParameterDeserializer. An attacker can execute arbitrary code by...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the FlatFileItemReader when handling specially crafted input files that exploit the way multi-line records are assembled. An attacker can cause excessive CPU and memory consumptio...

Deserialization of Untrusted Data

Overview org.springframework.batch:spring-batch-core is a framework for writing offline and batch applications using Spring and Java. Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the deserialize function. An attacker can execute arbitrary code or...

Spring Office Hours Podcast: S5E17 - Spring Boot 4.1 with Phil Webb

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun are joined by Spring Boot co-creator and project lead Phil Webb to dig into what's new in Spring Boot 4.1. They walk through the headline features landing in this release, including...

This Week in Spring - June 23rd, 2026

Hi Spring fans! In this installment, we look at the wide and wonderful world of Spring, as usual, and there's a good amount to get to, fresh off the recent Spring Boot 4.1 generation release train, so let's dive right into it! I wrote a blog post looking at Spring Batch, MongoDB, and Spring Boot...