SMB minimum protocol dialect defaults to SMB1

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59293
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 20:17:55 UTC
Updated2026-08-31 23:14:00 UTC
DescriptionUnless the application explicitly raises smbMinVersion, the jCIFS client will negotiate down to SMB1/CIFS, which lacks mandatory signing/encryption and is vulnerable to NTLM relay and content-tampering MITM. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12

Risk And Classification

Primary CVSS: v3.1 6.6 MEDIUM from [email protected]

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

EPSS: 0.002210000 probability, percentile 0.124850000 (date 2026-08-31)

Problem Types: CWE-757 | CWE-757 Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade') | CWE-757 CWE-757 Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Spring Integration All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Integration affected 7.1.0 custom Not specified
CNA Spring Spring Integration affected 7.0.0 7.0.5 custom Not specified
CNA Spring Spring Integration affected 6.5.0 6.5.10 custom Not specified
CNA Spring Spring Integration affected 6.4.0 6.4.12 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-59293 [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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