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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

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Spring
Products
Spring Batch Spring Batch
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 attacker to craft malicious input that can lead to arbitrary code execution, including known Jackson RCE gadgets. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.0 - 5.2.6

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Spring
Products
Spring Batch Spring Batch
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 excessive CPU time and memory, causing the batch job to stall or run out of memory. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.0 - 5.2.6 Spring Batch 4.3.0 - 4.3.13

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Spring
Products
Spring Batch Spring Batch
CVE-2019-3774

Spring Batch XML External Entity Injection (XXE)

Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and older unsupported versions, were susceptible to XML External Entity Injection (XXE) when receiving XML data from untrusted sources.

CVSS 3.0 · 9.8 Critical EPSS 3.1% KEV · Not listed
Vendors
Broadcom Redhat
Products
Spring Batch Jboss Fuse
CVE-2020-5411

Jackson Configuration Allows Code Execution with Unknown "Serialization Gadgets"

When configured to enable default typing, Jackson contained a deserialization vulnerability that could lead to arbitrary code execution. Jackson fixed this vulnerability by blacklisting known "deserialization gadgets". Spring Batch configures Jackson with global default typing enabled which means that through the previous exploit, arbitrary code could be executed if all of the following is true: * Spring Batch's Jackson support is being leveraged to serialize a job's ExecutionContext. * A malicious user gains write access to the data store used by the JobRepository (where the data to be deserialized is stored). In order to protect against this type of attack, Jackson prevents a set of untrusted gadget classes from being deserialized. Spring Batch should be proactive against blocking unknown "deserialization gadgets" when enabling default typing.

CVSS 3.1 · 8.1 High EPSS 1.7% KEV · Not listed
Vendors
Broadcom
Products
Spring Batch