Vulnerability · Published Mar 19, 2026 · Assigned by vmware
CVE-2026-22733Authentication Bypass under Actuator CloudFoundry endpoints
High 8.2
In plain English
A high-severity authentication bypass in Spring Security from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.springframework.boot:spring-boot-starter-actuator | 4.0.4 | GHSA-mgvc-8q2h-5pgc |
| Maven | org.springframework.boot:spring-boot-starter-actuator | 3.5.12 | GHSA-mgvc-8q2h-5pgc |
| Maven | org.springframework.boot:spring-boot-starter-actuator | no fix listed | GHSA-mgvc-8q2h-5pgc |
| Maven | org.springframework.boot:spring-boot-starter-actuator | no fix listed | GHSA-mgvc-8q2h-5pgc |
| Maven | org.springframework.boot:spring-boot-starter-actuator | no fix listed | GHSA-mgvc-8q2h-5pgc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Security | 4.0.0 – through 4.0.33.5.0 – through 3.5.113.4.0 – through 3.4.143.3.0 – through 3.3.172.7.0 – through 2.7.31 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N