Authentication Bypass Vulnerability in Spring Boot Applications by Spring
CVE-2026-22733

8.2HIGH

Key Information:

Vendor

Spring

Status
Spring Security
Vendor
CVE Published:
19 March 2026

What is CVE-2026-22733?

Spring Boot applications utilizing the Actuator feature may face an Authentication Bypass vulnerability when endpoints that require authentication are improperly configured under the path used by CloudFoundry Actuator endpoints. This misconfiguration can expose sensitive application data to unauthorized users. Affected versions of Spring Security, from 2.7.0 to 4.0.3, must be reviewed and patched to ensure secure authentication practices are enforced.

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Deploy the Patch

Affected Version(s)

Spring Security 4.0.0 <= 4.0.3

Spring Security 3.5.0 <= 3.5.11

Spring Security 3.4.0 <= 3.4.14

References

https://spring.io/security/cve-2026-22733

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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