CVE-2026-47878Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist
Updated under an hour ago ()
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It affects Spring Batch and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- CVSS
- 5.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- vmware
- NVD analysis
- Analyzed
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Spring Spring Batch spring:batch (from the name) | from 6.0.0 through 6.0.4; through 5.2.6 | CNA record |
broadcom spring_batch broadcom:spring_batch | from 5.0.0 before 5.2.7; from 6.0.0 before 6.0.4.1 | NVD |
References
- https://spring.io/security/cve-2026-47878vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.