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...

cve-2026-41862 - HIGH - Kryo deserialization of persisted context without class allowlist

cve-2026-41862 - HIGH - Kryo deserialization of persisted context without class allowlist...