Vmware Spring Boot up to 4.0.5 Health authorization

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Vmware Spring Boot up to 4.0.5. Impacted is an unknown function of the component Health Handler. The manipulation results in authorization. This vulnerability is reported as CVE-2026-40976. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Vmware Spring Boot up to 4.0.5. Affected is an unknown functionality of the component Health Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all endpoints. For an application to be vulnerable, it must: be a servlet-based web application; have no Spring Security configuration of its own and rely on the default web security filter chain; depend on spring-boot-actuator-autoconfigure; not depend on spring-boot-health. If any of the above does not apply, the application is not vulnerable. Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.

The advisory is shared for download at spring.io. This vulnerability is traded as CVE-2026-40976 since 04/16/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/04/2026).

Upgrading to version 4.0.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202604-5559) and CERT Bund (WID-SEC-2026-1263). Once again VulDB remains the best source for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • VMware Tanzu Spring Boot
  • HCL Commerce
  • Red Hat OpenShift

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (vmware): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Spring Boot 4.0.6

Timelineinfo

04/16/2026 CVE reserved
04/28/2026 +12 days Advisory disclosed
04/28/2026 +0 days VulDB entry created
06/04/2026 +37 days VulDB entry last update

Sourcesinfo

Vendor: vmware.com

Advisory: spring.io
Status: Confirmed

CVE: CVE-2026-40976 (🔒)
GCVE (CVE): GCVE-0-2026-40976
GCVE (VulDB): GCVE-100-359892
CERT Bund: WID-SEC-2026-1263 - VMware Tanzu Spring Boot: Mehrere Schwachstellen
CNNVD: CNNVD-202604-5559 - VMware Spring Boot 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 04/28/2026 06:37
Updated: 06/04/2026 15:12
Changes: 04/28/2026 06:37 (63), 04/30/2026 01:18 (6), 06/04/2026 15:12 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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