What is CVE-2026-22731?

CVE-2026-22731 is a high-severity vulnerability in Spring Boot, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.2/10. Published 2026-03-19.

How severe is CVE-2026-22731?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Spring Boot

CVE-2026-22731

Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an application endpoint that requires authentication is declared under a specific path, already configured for a Health Group additio…

EPSS: 0.000 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Spring Boot — versions 4.0, 3.5, 3.4

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

spring.io/security/cve-2026-22731

Frequently asked questions

What is CVE-2026-22731?: CVE-2026-22731 is a high-severity vulnerability in Spring Boot, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.2/10. Published 2026-03-19.
How severe is CVE-2026-22731?: High severity. CVSS v3 base score is 8.2 out of 10.