Spring Batch up to 5.2.6/6.0.4 DefaultExecutionContextSerializer ObjectInputStream.readObject deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.92-

Summaryinfo

A vulnerability has been found in Spring Batch up to 5.2.6/6.0.4 and classified as critical. This vulnerability affects the function ObjectInputStream.readObject of the component DefaultExecutionContextSerializer. This manipulation causes deserialization. This vulnerability is handled as CVE-2026-47878. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Spring Batch up to 5.2.6/6.0.4. Affected by this vulnerability is the function ObjectInputStream.readObject of the component DefaultExecutionContextSerializer. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at spring.io. This vulnerability is known as CVE-2026-47878 since 05/20/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.6
CNA Vector (vmware): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/20/2026 CVE reserved
08/27/2026 +99 days Advisory disclosed
08/27/2026 +0 days VulDB entry created
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: spring.io
Status: Not defined

CVE: CVE-2026-47878 (🔒)
GCVE (CVE): GCVE-0-2026-47878
GCVE (VulDB): GCVE-100-396091

Entryinfo

Created: 08/27/2026 08:41
Changes: 08/27/2026 08:41 (62)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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