CVE-2026-22733 — Vulnerability in...

HIGH

Spring Boot has an Authentication Bypass under Actuator CloudFoundry endpoints

Published March 20, 2026Updated September 10, 2026Source: osv

Summary

Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an application endpoint that requires authentication is declared under the path used by the CloudFoundry Actuator endpoints. This issue affects Spring Security: from 4.0.0 through 4.0.3, from 3.5.0 through 3.5.11, from 3.4.0 through 3.4.14, from 3.3.0 through 3.3.17, from 2.7.0 through 2.7.31.

Advisory Timeline

First published March 20, 2026 (207 days ago).
Last revised September 10, 2026 — 174 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven

Update org.springframework.boot:spring-boot-starter-actuator to 3.5.12 or later

<!-- Update pom.xml dependency version to 3.5.12 for org.springframework.boot:spring-boot-starter-actuator -->

Maven

Update org.springframework.boot:spring-boot-starter-actuator to 4.0.4 or later

<!-- Update pom.xml dependency version to 4.0.4 for org.springframework.boot:spring-boot-starter-actuator -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (5)

Affects 1 ecosystem: maven (1).

Package	Ecosystem	Affected	Fixed In
org.springframework.boot:spring-boot-starter-actuator	maven	3.4.0, 3.4.1, 3.4.10, 3.4.11 (+10 more)	Range-based data available
org.springframework.boot:spring-boot-starter-actuator	maven	1.0.0.RELEASE, 1.0.1.RELEASE, 1.0.2.RELEASE, 1.1.0.RELEASE (+182 more)	Range-based data available
org.springframework.boot:spring-boot-starter-actuator	maven	3.0.0, 3.0.1, 3.0.10, 3.0.11 (+50 more)	Range-based data available
org.springframework.boot:spring-boot-starter-actuator	maven	3.5.0, 3.5.1, 3.5.10, 3.5.11 (+8 more)	3.5.12
org.springframework.boot:spring-boot-starter-actuator	maven	4.0.0, 4.0.0-M1, 4.0.0-M2, 4.0.0-M3 (+5 more)	4.0.4

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-288
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.2 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References

Frequently Asked Questions

What is CVE-2026-22733?: Spring Boot has an Authentication Bypass under Actuator CloudFoundry endpoints This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.2/10).
How do I check if my project is affected by CVE-2026-22733?: CVE-2026-22733 affects org.springframework.boot:spring-boot-starter-actuator. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-22733 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

8.2

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-mgvc-8q2h-5pgc

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