EUVD-2026-67181
GHSA-5v9f-jcmr-jg2q
Severity by source
AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
No attacker privileges needed for MITM relay (PR:N); AC:H for required network interception position; A:N as no availability impact is described.
Primary rating from Vendor (vmware).
CVSS VectorVendor: vmware
Lifecycle Timeline
1DescriptionCVE.org
Unless 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
AnalysisAI
Spring Integration's jCIFS-based SMB client silently negotiates down to legacy SMB1/CIFS when applications omit an explicit smbMinVersion setting, exposing file transfer sessions to NTLM relay attacks and in-transit content tampering by a network-positioned adversary. Affected versions span Spring Integration 6.4.0-6.4.12, 6.5.0-6.5.10, 7.0.0-7.0.5, and the standalone release 7.1.0 - covering all currently active Spring Integration release trains at time of disclosure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two concurrent conditions: first, the Spring Integration application must use the jCIFS SMB client adapter without explicitly setting `smbMinVersion` to enforce SMB2 or higher - this is the default behavior and therefore the vulnerable state for any unmodified Spring Integration SMB deployment in the affected version ranges; second, the attacker must be positioned on the network path between the Spring Integration client and the SMB server to intercept and manipulate the SMB dialect negotiation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-provided CVSS 6.6 (Medium) with vector AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H reflects high confidentiality and integrity impact substantially moderated by AC:H and PR:H. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to a patched version of Spring Integration as directed by the vendor advisory at https://spring.io/security/cve-2026-59293; exact fixed release versions are not confirmed in available intelligence and must be verified directly from the Spring advisory before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report. |
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