CVE-2026-101066
Deferred Deferred - Pending Action

Path Traversal in Dbgate Archive Link Creation

Publication date: 2026-09-28

Last updated on: 2026-09-28

Assigner: VulDB

Description
A vulnerability was determined in dbgate up to 7.3.1. The impacted element is the function createLink of the file packages/api/src/controllers/archive.js of the component Archive Link Creation. This manipulation of the argument linkedFolder causes path traversal. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-28
Last Modified
2026-09-28
Generated
2026-09-28
AI Q&A
2026-09-28
EPSS Evaluated
N/A
NVD
CVE-2026-101066
EUVD
EUVD-2026-88235

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
dbgate dbgate to 7.2.5 (exc)
dbgate dbgate to 7.3.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 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.

Attack-Flow Graph

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Executive Summary

CVE-2026-101066 is a path traversal vulnerability in DbGate versions up to 7.3.1. It exists in the createLink function of archive.js where the linkedFolder argument is manipulated to perform path traversal. This allows attackers to access files outside intended directories by exploiting insufficient path validation.

Detection Guidance

To detect this vulnerability, check if DbGate versions 7.2.5 or earlier are running. Inspect network traffic for requests to endpoints like /create-link, /files/load, /files/save, or /archive/saveText with suspicious linkedFolder parameters containing path traversal sequences (e.g., ../../../).

Commands to check version: curl -s http://<target>:3000/version | grep version. Monitor for unauthorized file access attempts in logs, especially for sensitive paths like /etc/passwd or /etc/cron.d/

Impact Analysis

This vulnerability enables unauthenticated attackers to read, write, or delete arbitrary files on the system hosting DbGate. In default Docker deployments with anonymous authentication, any network user can exploit it to access sensitive files like /etc/passwd or write malicious files to critical directories, potentially leading to system compromise or remote code execution.

Compliance Impact

This vulnerability can severely impact compliance with GDPR and HIPAA by enabling unauthorized access to sensitive data. Attackers could exfiltrate personal or health information, leading to data breaches that violate regulatory requirements for data protection and privacy.

Mitigation Strategies

Immediately upgrade DbGate to version 7.3.1 or later. If upgrading is not possible, disable the archive link functionality or restrict access to the vulnerable endpoints via network policies. Ensure DbGate runs without anonymous authentication in Docker deployments.

Apply strict input validation for the linkedFolder parameter and sanitize paths to prevent traversal. Monitor for unusual file operations targeting sensitive directories.

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