CVE-2026-47878

Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist

Published Aug 27, 2026 CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Broadcom
Broadcom spring Batch
CPEs cpe:2.3:a:broadcom:spring_batch:*:*:*:*:*:*:*:*
Vendors & Products Broadcom
Broadcom spring Batch
Type Values Removed Values Added
First Time appeared Spring
Spring spring Batch
Vendors & Products Spring
Spring spring Batch
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-502
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
vmware
Published
Updated
Aug 27, 2026, 2:32 PM
Reserved
May 20, 2026, 10:00 AM
Status
Analyzed
Published
Aug 27, 2026, 6:17 AM
Modified
Sep 10, 2026, 3:28 PM