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TI-2026-18258 Aliases CVE-2026-22733GHSA-mgvc-8q2h-5pgc

Authentication Bypass under Actuator CloudFoundry endpoints

Priority MEDIUM 42CWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-288.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00375 31st percentileScored 2026-11-07
Fix Fixed org.springframework.boot:spring-boot-starter-actuator (Maven): 4.0.4, 3.5.12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareSpring Security4.0.0 – 4.0.3; 3.5.0 – 3.5.11; 3.4.0 – 3.4.14; 3.3.0 – 3.3.17; 2.7.0 – 2.7.31—No fix listedCNA
—org.springframework.boot:spring-boot-starter-actuator (Maven)4.0.0-M1 to before 4.0.44.0.4Patch availableGHSA-mgvc-8q2h-5pgc
—org.springframework.boot:spring-boot-starter-actuator (Maven)3.5.0 to before 3.5.123.5.12Patch availableGHSA-mgvc-8q2h-5pgc
—org.springframework.boot:spring-boot-starter-actuator (Maven)3.4.0 – 3.4.13—No fix listedGHSA-mgvc-8q2h-5pgc
—org.springframework.boot:spring-boot-starter-actuator (Maven)3.0.0 – 3.3.13—No fix listedGHSA-mgvc-8q2h-5pgc
—org.springframework.boot:spring-boot-starter-actuator (Maven)up to 2.7.18—No fix listedGHSA-mgvc-8q2h-5pgc
  • Spring Security VendorVMware Affected 4.0.0 – 4.0.3; 3.5.0 – 3.5.11; 3.4.0 – 3.4.14; 3.3.0 – 3.3.17; 2.7.0 – 2.7.31 Fixed in — No fix listed CNA
  • org.springframework.boot:spring-boot-starter-actuator (Maven) Vendor— Affected 4.0.0-M1 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-mgvc-8q2h-5pgc
  • org.springframework.boot:spring-boot-starter-actuator (Maven) Vendor— Affected 3.5.0 to before 3.5.12 Fixed in 3.5.12 Patch available GHSA-mgvc-8q2h-5pgc
  • org.springframework.boot:spring-boot-starter-actuator (Maven) Vendor— Affected 3.4.0 – 3.4.13 Fixed in — No fix listed GHSA-mgvc-8q2h-5pgc
  • org.springframework.boot:spring-boot-starter-actuator (Maven) Vendor— Affected 3.0.0 – 3.3.13 Fixed in — No fix listed GHSA-mgvc-8q2h-5pgc
  • org.springframework.boot:spring-boot-starter-actuator (Maven) Vendor— Affected up to 2.7.18 Fixed in — No fix listed GHSA-mgvc-8q2h-5pgc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*before 2.7.32; 3.3.0 to before 3.3.18; 3.4.0 to before 3.4.15; 3.5.0 to before 3.5.12; 4.0.0 to before 4.0.4VulnerableVMware
  • cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:* Versions before 2.7.32; 3.3.0 to before 3.3.18; 3.4.0 to before 3.4.15; 3.5.0 to before 3.5.12; 4.0.0 to before 4.0.4 Vulnerable ·VMware

Remediation

  • Fix · GHSA-mgvc-8q2h-5pgc org.springframework.boot:spring-boot-starter-actuator (Maven) Fixed in 4.0.4 Advisory →
  • Fix · GHSA-mgvc-8q2h-5pgc org.springframework.boot:spring-boot-starter-actuator (Maven) Fixed in 3.5.12 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22733
  2. 2026-10-03 Alias added: GHSA-mgvc-8q2h-5pgc

References

  • TI-2017-05637 Improper input validation in Pivotal Spring Data REST and Spring Boot CVSS 3.0CRITICAL 9.8
  • TI-2023-07292 In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an… CVSS 3.1CRITICAL 9.8
  • TI-2026-29627 Missing authorization in VMware Spring Boot CVSS 3.1CRITICAL 9.1
  • TI-2021-08570 Element Plug-in for vCenter Server incorporates SpringBoot Framework. CVSS 3.1CRITICAL 9.8
  • TI-2026-18256 Authentication Bypass under Actuator Health groups paths CVSS 3.1HIGH 8.2
  • TI-2026-29625 Improper certificate validation in VMware Spring Boot CVSS 3.1CRITICAL 9.8
See all 19 →

Sources