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
References
History

Tue, 01 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Batch
Vendors & Products Spring
Spring spring Batch

Thu, 27 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 27 Aug 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

Thu, 27 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
Description 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
Title Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist
References
Metrics cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2026-08-27T05:20:23.462Z

Updated: 2026-08-27T14:32:28.405Z

Reserved: 2026-05-20T10:00:58.694Z

Link: CVE-2026-47878

cve-icon Vulnrichment

Updated: 2026-08-27T14:32:18.703Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-08-27T06:17:17.640

Modified: 2026-08-28T18:47:30.163

Link: CVE-2026-47878

cve-icon Redhat

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