AIKIDO-2026-356469
spring-integration-smb is vulnerable to Selection of Less-Secure Algorithm During Negotiation
66
Medium Risk
This Affects:
spring-integration-smbTL;DR
spring-integration-smb defaults the minimum SMB dialect to SMB1. The client can then negotiate a protocol without mandatory signing or encryption. An on-path attacker can downgrade the dialect, tamper with files, or capture NTLM credentials. The patch raises the default minimum dialect above SMB1.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and SMB adapters are used without raising smbMinVersion above SMB1.
Background info
spring-integration-smb is vulnerable to Selection of Less-Secure Algorithm During Negotiation in versions 6.4.0 - 7.0.5 and 7.1.0 - 7.1.0.
How to fix this
Upgrade the org.springframework.integration:spring-integration-smb library to the patch version.
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