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GHSA-8v8j-3hxp-93wr

Spring Boot's default security filter chain has no authorization rule with Actuator but without Health

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-40976

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework.boot:spring-boot >= 4.0.0, < 4.0.6 4.0.6

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.