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Critical

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

  • Disclosed: 28.04.2026
  • Updated: 11.10.2026 13:20

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.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.springframework.boot:spring-boot >= 4.0.0, < 4.0.6 4.0.6

References

CVSS score 9.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-862
Platform
Java / Kotlin (Maven)
Package
org.springframework.boot:spring-boot
Disclosed
28.04.2026
Updated
11.10.2026 13:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-8v8j-3hxp-93wr - CC BY 4.0

Vulnerability history: org.springframework.boot:spring-boot

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
5
First → latest
10.2018 04.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 3
  • Medium 1

Disclosures per year

  1. Spring Boot accepts predictable temp directory without ownership verification
    High · 7.0 CVE-2026-40973 >= 4.0.0, < 4.0.6, >= 3.5.0, < 3.5.14, >= 3.4.0, <= 3.4.15, >= 3.3.0, <= 3.3.18, <= 2.7.32 4.0.6, 3.5.14
  2. Spring Boot's default security filter chain has no authorization rule with Actuator but without Health this entry
    Critical · 9.1 CVE-2026-40976 >= 4.0.0, < 4.0.6 4.0.6
  3. Spring Boot EndpointRequest.to() creates wrong matcher if actuator endpoint is not exposed
    High · 7.3 CVE-2025-22235 <= 2.7.24.2, >= 3.1.0, <= 3.1.15.2, >= 3.2.0, <= 3.2.13.2, >= 3.3.0, < 3.3.11, >= 3.4.0, < 3.4.5 3.3.11, 3.4.5
  4. Temporary Directory Hijacking to Local Privilege Escalation Vulnerability in org.springframework.boot:spring-boot
    High · 7.8 CVE-2022-27772 < 2.2.11.RELEASE 2.2.11.RELEASE
  5. Moderate severity vulnerability that affects org.springframework.boot:spring-boot
    Medium · 5.9 CVE-2018-1196 >= 1.5.0, < 1.5.10 1.5.10

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