{"id":"CVE-2026-47878","title":"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 allowli…","summary":"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 allowli…","severity":"medium","cvss":5.6,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-502"],"vendor":"broadcom","product":"spring_batch","affected":["spring_batch >= 5.0.0, < 5.2.7","spring_batch >= 6.0.0, < 6.0.4.1"],"patched":["spring_batch 6.0.4.1"],"published":"2026-08-27","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:28:35.153","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47878","references":[{"url":"https://spring.io/security/cve-2026-47878","label":"security@vmware.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-27T14:30:21.504502Z"},"ingestedAt":"2026-09-14T11:51:51.070Z","epss":0.00256,"epssPercentile":0.17577,"slug":"CVE-2026-47878","body":"## Overview\n\nDefaultExecutionContextSerializer, 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.\nSpring Batch 6.0.0 - 6.0.4\nSpring Batch 5.2.6 and earlier\n\n## Affected\n\n- `spring_batch >= 5.0.0, < 5.2.7`\n- `spring_batch >= 6.0.0, < 6.0.4.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `spring_batch 6.0.4.1`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}