CVE-2026-10074 Overview
CVE-2026-10074 is an arbitrary file read vulnerability in DreamMaker, developed by Interinfo. The flaw stems from improper handling of relative path sequences, classified under [CWE-23] Relative Path Traversal. A privileged local attacker can manipulate file path parameters to download arbitrary files from the host system. Successful exploitation exposes configuration files, credentials, and other sensitive data stored on the server. The vulnerability requires high privileges but no user interaction, and it impacts confidentiality without affecting integrity or availability.
Critical Impact
Authenticated attackers with elevated privileges can read arbitrary files on the DreamMaker host, exposing system data, credentials, and configuration secrets.
Affected Products
- Interinfo DreamMaker
Discovery Timeline
- 2026-05-29 - CVE CVE-2026-10074 published to NVD
- 2026-05-29 - Last updated in NVD database
Technical Details for CVE-2026-10074
Vulnerability Analysis
DreamMaker exposes a file download function that accepts user-supplied path parameters. The application fails to canonicalize or validate these inputs before resolving them on the filesystem. Attackers supply sequences such as ../ to escape the intended directory and reach arbitrary locations on the host.
The vulnerability is reachable over the network, but exploitation requires authenticated access with high privileges. Once exploited, the attacker reads any file the DreamMaker service account can access. This includes application configuration, database connection strings, and operating system files.
The issue is tracked under [CWE-23] Relative Path Traversal. Two Taiwan CERT advisories document the issue and affected configurations.
Root Cause
The download endpoint concatenates attacker-controlled input into a filesystem path without normalizing traversal sequences. There is no allowlist of permitted directories and no check that the resolved path remains within the intended root. Standard mitigations such as canonical path comparison and chroot containment are absent.
Attack Vector
An authenticated user with elevated privileges sends a crafted request to the vulnerable download function. The request contains .. segments in the filename parameter, redirecting the file read to a target outside the application directory. The server returns the file contents in the HTTP response. No user interaction is required, and the attack does not require local console access despite the privileged precondition.
No public exploit code or proof-of-concept is currently published. See the TWCert Security Advisory 1127f-2 and TWCert Security Advisory 8fb00-1 for vendor-coordinated details.
Detection Methods for CVE-2026-10074
Indicators of Compromise
- HTTP requests to DreamMaker download endpoints containing ../, ..\, or URL-encoded variants such as %2e%2e%2f.
- Outbound transfers of sensitive system files such as /etc/passwd, web.config, or Windows SAM and SYSTEM hives originating from the DreamMaker process.
- Access to files outside the DreamMaker installation directory by the application service account.
Detection Strategies
- Inspect web server and application logs for download requests containing traversal patterns or absolute paths.
- Correlate privileged DreamMaker account activity with unusual file access events on the host filesystem.
- Deploy web application firewall rules that flag path traversal payloads in query strings and POST bodies.
Monitoring Recommendations
- Enable verbose audit logging on the DreamMaker application and forward events to a centralized log platform.
- Monitor read access to sensitive directories such as C:\Windows\System32\config\ and /etc/ by the DreamMaker service account.
- Alert on bulk file retrieval volume anomalies from administrative DreamMaker sessions.
How to Mitigate CVE-2026-10074
Immediate Actions Required
- Apply the vendor-supplied patch referenced in the TWCert advisories as soon as it is available for your DreamMaker version.
- Restrict administrative access to DreamMaker to a small set of named accounts with multi-factor authentication enforced.
- Rotate credentials and secrets that may have been exposed through arbitrary file reads.
Patch Information
Refer to the TWCert Security Advisory 1127f-2 and TWCert Security Advisory 8fb00-1 for vendor remediation guidance and fixed version details. Contact Interinfo directly for patch distribution if no public download is available.
Workarounds
- Place DreamMaker behind a reverse proxy that filters traversal sequences from request paths and parameters.
- Run the DreamMaker service under a least-privileged account that cannot read sensitive operating system files.
- Apply filesystem ACLs that deny the DreamMaker service account access to directories outside its installation root.
# Example WAF rule fragment to block common path traversal payloads
# Reject requests containing ../ or encoded traversal in any parameter
SecRule ARGS "@rx (?:\.\./|\.\.\\|%2e%2e%2f|%2e%2e/|\.\.%2f)" \
"id:1010074,phase:2,deny,status:403,msg:'Path traversal attempt - CVE-2026-10074'"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
