Spring Framework Denial of Service via Unbounded Exponentiation in SpEL Expressions

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-47886
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 06:17:19 UTC
Updated2026-08-28 18:47:30 UTC
DescriptionApplications that evaluate user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to a Denial of Service (DoS) attack when the power operator (^) is used with a BigDecimal or BigInteger operand and a large exponent value. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

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

EPSS: 0.003240000 probability, percentile 0.249050000 (date 2026-08-30)

Problem Types: CWE-400 | CWE-400 Uncontrolled Resource Consumption | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Framework affected 7.0.0 7.0.8 custom Not specified
CNA Spring Spring Framework affected 6.2.0 6.2.19 custom Not specified
CNA Spring Spring Framework affected 6.1.0 6.1.28 custom Not specified
CNA Spring Spring Framework affected 6.0.0 6.0.30 custom Not specified
CNA Spring Spring Framework affected 5.3.0 5.3.49 custom Not specified
CNA Spring Spring Framework affected 5.2.25.RELEASE custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-47886 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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