Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketService

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-47893
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 06:17:20 UTC
Updated2026-09-01 20:38:28 UTC
DescriptionA Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason. 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:H/I:N/A:N

EPSS: 0.002450000 probability, percentile 0.156050000 (date 2026-08-31)

Problem Types: CWE-209 | CWE-209 Generation of Error Message Containing Sensitive Information | CWE-209 CWE-209 Generation of Error Message Containing Sensitive Information

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

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Spring Framework All All All All

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-2026-47893 [email protected] spring.io Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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