CrowdSecLive Exploit Tracker
Limited ExploitationCVE-2026-22739Public Exploit

Spring Cloud - Path Traversal (CVE-2026-22739)

PublishedMar 24, 2026
First SeenMay 15, 2026
Last Seen
Reported
CVSS8.6
Spring
SpringSpring Cloud
javaenterprise_software

Description

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.

psychologyCrowdSec Analysis

CVE-2026-22739 is a path traversal vulnerability in Spring Cloud Config Server when configured with the native file system backend. Attackers can exploit this flaw by manipulating the profile parameter in requests, allowing unauthorized access to files outside the intended directories. This could lead to exposure of sensitive information or limited modification of files, posing a significant risk to affected Spring Cloud deployments.

CrowdSec has been tracking this vulnerability and its exploits since 1st of April 2026.

CrowdSec has not observed any significant exploitation activity targeting CVE-2026-22739 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Attackers exploit this vulnerability by sending crafted requests to endpoints like /application/ with encoded path traversal sequences (e.g., %2F..%2F..%2F..%2F..%2Fetc) to access sensitive files outside the intended directories on Spring Cloud Config Server instances.

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EventDate
CVE Published2026-03-24
Rule Released2026-04-01
CrowdSec First Seen2026-05-15

Related Weaknesses

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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External References