EUVD-2026-50970
GHSA-qhpg-2hp9-2j5r
Severity by source
AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Adjacent-network JMX exposure (AV:A), no attacker privileges (PR:N), but the developer must enable live mode and launch the app (UI:R); full RCE yields C/I/A High.
Primary rating from Vendor (vmware).
CVSS VectorVendor: vmware
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Starting Spring Boot applications in the Spring Tools with the live information mode enabled makes the running application vulnerable against JMX-based remote code execution. Affected Spring Products and Versions: Spring Tools for Eclipse: 5.2.0 and earlier Spring Tools for VSCode / Cursor / Theia: 2.2.0 and earlier
Articles & Coverage 1
AnalysisAI
Remote code execution in the Spring Tools IDE extensions (Spring Tools for Eclipse ≤5.2.0 and for VSCode/Cursor/Theia ≤2.2.0) occurs when a developer launches a Spring Boot application with the 'live information' mode enabled, which exposes an unprotected JMX endpoint that an adjacent-network attacker can abuse to execute arbitrary code on the developer's host. The flaw carries a CVSS 8.0 (High) rating and requires the developer to actively start the app in live mode (UI:R). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target developer launch a Spring Boot application through Spring Tools with the 'live information' mode explicitly enabled - this is the exact configuration prerequisite named in the description, and without it no JMX endpoint is exposed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector (AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, score 8.0) indicates an adjacent-network, low-complexity, unauthenticated attack with full confidentiality, integrity, and availability impact, but gated by required user interaction - the developer must start the app in live mode. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A developer on a shared corporate or coworking Wi-Fi network starts a Spring Boot application from their IDE with live information mode enabled, silently exposing a JMX endpoint. An attacker on the same network segment discovers the open JMX/RMI port, registers or invokes a malicious MBean, and executes arbitrary code on the developer's workstation. … |
| Remediation | Patch available per vendor advisory (https://spring.io/security/cve-2026-47858): upgrade Spring Tools for Eclipse beyond 5.2.0 and Spring Tools for VSCode/Cursor/Theia beyond 2.2.0 to the fixed releases - the exact fixed version numbers are not stated in the provided data and should be confirmed against the spring.io advisory before deployment. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all developer workstations for Spring Tools IDE versions 5.2.0 (Eclipse) and 2.2.0 (VSCode/Cursor/Theia) and disable the live information monitoring feature to eliminate active exploitation vector. …
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External POC / Exploit Code
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