Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2026-40971

🗓️ 27 Apr 2026 22:45:13Reported by vmwareType 
cve
 cve🔗 web.nvd.nist.gov👁 16 Views

Spring Boot RabbitMQ auto-configuration does not verify hostnames when using an encryption bundle, enabling possible man-in-the-middle risk.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
27 May 202606:40
–ibm
IBM Security Bulletins		Security Bulletin: Maximo AI Service uses multiple third party dependencies which are vulnerable to multiple CVEs.
1 Jun 202608:35
–ibm
ATTACKERKB		CVE-2026-40971
27 Apr 202622:45
–attackerkb
Circl		CVE-2026-40971
24 Apr 202613:35
–circl
CNNVD		VMware Spring Boot 信任管理问题漏洞
27 Apr 202600:00
–cnnvd
Cvelist		CVE-2026-40971
27 Apr 202622:45
–cvelist
EUVD		EUVD-2026-25930
27 Apr 202622:45
–euvd
Github Security Blog		Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker
28 Apr 202600:31
–github
NVD		CVE-2026-40971
27 Apr 202623:16
–nvd
OSV		GHSA-9VC8-QPPQ-WVXC Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker
28 Apr 202600:31
–osv
Rows per page
NVD
Node
vmwarespring_bootRange3.5.0–3.5.14
OR
vmwarespring_bootRange4.0.0–4.0.6
[
  {
    "vendor": "Spring",
    "product": "Spring Boot",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.6",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.5.0",
        "lessThan": "3.5.14",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
14 May 2026 16:06Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15 - 9.1
EPSS0.00062
SSVC
CWE-295
Spring BootRabbitMQHostname verificationEncryption bundleVulnerability
16