Answer in brief
CVE-2026-47878 records a Medium severity (CVSS 5.6) vulnerability in Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist. The current sources do not mark it as known exploited. The current feed maps Spring/Spring Batch (generic), Spring/Spring Batch (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Spring/Spring Batch (generic), Spring/Spring Batch (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:broadcom:spring_batch:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Spring/Spring Batchgeneric | 6.0.0 || 0 | Not reported |
| Spring/Spring Batchgeneric | >=6.0.0 <=6.0.4 || >=0 <=5.2.6 | Not reported |
Published upstream
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
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
Quoted source text, attributed separately from HOL analysis.