Spring Batch 5.2-6.0.4: Jackson RCE via Untrusted Deserialization
CVE-2026-47875 Published on August 27, 2026
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
Vulnerability Analysis
CVE-2026-47875 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-47875 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-47875
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Affected Versions
Spring Batch:- Version 6.0.0, <= 6.0.4 is affected.
- Version 5.2.0, <= 5.2.6 is affected.