Vulnerability · Published Aug 27, 2026 · Assigned by vmware
CVE-2026-59293SMB minimum protocol dialect defaults to SMB1
Medium 6.6
In plain English
A medium-severity security flaw in Spring Integration from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)6.6Medium
Exploit odds (30 days)0.2%top 84.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Integration | 7.1.07.0.0 – through 7.0.56.5.0 – through 6.5.106.4.0 – through 6.4.12 |
Weakness: CWE-757 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H