CVE-2025-1086: Cloud-Master Path Traversal Vulnerability

CVE-2025-1086 Overview

CVE-2025-1086 is a path traversal vulnerability in Safetytest Cloud-Master Server versions up to 1.1.1. The flaw resides in unspecified code handling requests to the /static/ endpoint. Attackers manipulate request paths using ../ sequences to escape the intended directory and access files outside the web root. The attack is remotely exploitable and requires no authentication or user interaction. The exploit has been publicly disclosed. According to the disclosure, the vendor was contacted but did not respond.

Critical Impact
Unauthenticated remote attackers can read arbitrary files accessible to the server process by manipulating the /static/ path, exposing sensitive configuration data and application secrets.

Affected Products

Safetytest Cloud-Master Server versions up to and including 1.1.1
Deployments exposing the /static/ endpoint to untrusted networks
Installations without upstream path normalization or web application firewall controls

Discovery Timeline

2025-02-07 - CVE-2025-1086 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-1086

Vulnerability Analysis

The vulnerability is a path traversal issue classified under [CWE-23] (Relative Path Traversal). The /static/ handler in Safetytest Cloud-Master Server processes user-supplied file path parameters without properly sanitizing directory traversal sequences. An attacker submits a crafted HTTP request containing ../ segments to navigate outside the static file directory. The server resolves these sequences and returns files from arbitrary locations on the underlying filesystem.

The vulnerability is network-accessible and requires no authentication. Exploitation grants read access to files within the privileges of the server process. Sensitive targets include configuration files, credential stores, application source code, and system files such as /etc/passwd on Linux hosts. The EPSS score indicates a low but non-zero probability of near-term exploitation attempts.

Root Cause

The root cause is insufficient input validation on file path parameters processed by the /static/ route. The handler concatenates user input with a base directory without canonicalizing the resulting path or verifying that the resolved location remains within the intended directory boundary. Traversal sequences pass through unchanged and are interpreted by the filesystem layer.

Attack Vector

An unauthenticated attacker sends an HTTP request to the /static/ endpoint with a path parameter containing ../ sequences. The server resolves the traversal and returns the contents of the target file. No user interaction, session, or prior access is required. Refer to the VulDB entry for CVE-2025-1086 for additional technical context.

No verified proof-of-concept code is published in the reviewed advisories.
See the VulDB reference for further technical details.

Detection Methods for CVE-2025-1086

Indicators of Compromise

HTTP requests to /static/ containing ../, ..%2f, ..%5c, or double-encoded traversal sequences
Web server access logs showing 200 responses for /static/ requests targeting files outside typical static asset extensions
Unexpected reads of sensitive files such as /etc/passwd, application configuration files, or credential stores

Detection Strategies

Deploy web application firewall rules that reject path traversal patterns in URL paths and query strings
Correlate access logs to identify sequential requests to /static/ from a single source enumerating files
Alert on responses from /static/ containing content types inconsistent with static assets, such as text or configuration data

Monitoring Recommendations

Ingest Safetytest Cloud-Master Server access logs into a centralized SIEM for retention and analysis
Baseline normal /static/ request patterns and alert on deviations in path structure or response size
Monitor outbound file system access from the server process for reads outside the designated static content directory

How to Mitigate CVE-2025-1086

Immediate Actions Required

Restrict network access to Safetytest Cloud-Master Server so that the /static/ endpoint is not exposed to untrusted networks
Place the server behind a reverse proxy or WAF that normalizes request paths and blocks traversal sequences
Audit web server logs for prior exploitation attempts against /static/ and rotate any credentials that may have been exposed

Patch Information

At the time of publication, no vendor patch is referenced in the available advisories. The disclosure notes that the vendor did not respond to contact attempts. Consult the VulDB advisory for updates and monitor the vendor for future releases beyond version 1.1.1.

Workarounds

Block requests to /static/ containing ../, URL-encoded (%2e%2e%2f), or double-encoded traversal sequences at the reverse proxy layer
Run the server process under a least-privilege account that cannot read sensitive system or application files
Apply filesystem access controls to prevent the service account from reading directories outside the intended static content root

bash

# Example NGINX reverse proxy rule to block traversal attempts on /static/
location /static/ {
    if ($request_uri ~* "(\.\./|\.\.%2f|%2e%2e/|%2e%2e%2f)") {
        return 403;
    }
    proxy_pass http://safetytest_backend;
}