CVE-2026-47878

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

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CVSS v3.1

5.6 MEDIUM

EPSS

0.26%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 28, 2026 → Sep 12, 2026

● 0.01pp

0.25% → 0.26% over 2 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityLOW

IntegrityLOW

AvailabilityLOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Connections

2 relationships

CWE-502

source

Timeline

disclosure → media coverage

Aug 27, 2026

Disclosure — published as a CVE record. · last revised by NVD Sep 10, 2026