Path Traversal in Spring Cloud
CVE-2026-22739
Vulnerability in Spring Cloud when substituting the profile parameter from a request made to the Spring Cloud Config Server configured to the native file system as a backend, because it was possible to access files outside of the configured search directories.This issue affects Spring Cloud: from 3.1.X before 3.1.13, from 4.1.X before 4.1.9, from 4.2.X before 4.2.3, from 4.3.X before 4.3.2, from 5.0.X before 5.0.2.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.012 (65.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Spring Cloud — versions 3.1.x, 4.1.x, 4.2.x
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-22739?
- CVE-2026-22739 is a high-severity vulnerability in Spring Cloud, classified under Path Traversal. CVSS score: 8.6/10. Published 2026-03-24.
- How severe is CVE-2026-22739?
- High severity. CVSS v3 base score is 8.6 out of 10.