Authentication Bypass Vulnerability in Spring Boot Actuator
CVE-2026-22731

8.2HIGH

Key Information:

Vendor

Spring

Status
Spring Boot
Vendor
CVE Published:
19 March 2026

What is CVE-2026-22731?

Spring Boot applications utilizing the Actuator feature may be susceptible to an authentication bypass vulnerability. This occurs when endpoints that necessitate authentication are mistakenly accessible due to misconfiguration in Health Group additional paths. Version ranges impacted include Spring Boot versions prior to 4.0.3, 3.5.11, and 3.4.15. This vulnerability enables unauthorized access to specific application endpoints, posing a risk to the security integrity of the application.

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Deploy the Patch

Affected Version(s)

Spring Boot 4.0 < 4.0.3

Spring Boot 3.5 < 3.5.11

Spring Boot 3.4 < 3.4.15

References

https://spring.io/security/cve-2026-22731

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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