CVE-2026-47878
Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | spring |
| Product | spring batch |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 27, 2026 |
| Last Updated | Aug 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Spring / Spring Batch
6.0.0 ≤ 6.0.4 0 ≤ 5.2.6