Description

Path Traversal in DIAEnergie. This issue affects DIAEnergie: before 1.11.00.022.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.1",
  "pubDate": "2026-09-24T09:17:08.553Z",
  "pubdate": "2026-09-24T09:17:08.553Z",
  "executiveSummary": "DIAEnergie versions prior to 1.11.00.022 are susceptible to a Path Traversal vulnerability.\nThis security flaw allows an unauthenticated or remote attacker to manipulate file path references within the application's request parameters.\nBy bypassing directory restrictions, an attacker can access, read, or potentially exfiltrate sensitive files residing outside the intended web root or application directory.\nThe vulnerability poses a significant risk to the confidentiality and integrity of the host system, as it enables unauthorized disclosure of configuration files, credentials, or system data.\nSuccessful exploitation does not necessarily require high-level privileges, depending on the service account's permissions, but does require the ability to craft HTTP requests that traverse the directory tree using dot-dot-slash sequences (../).\nOrganizations using affected versions of DIAEnergie are at risk of unauthorized information disclosure and should prioritize remediation efforts to mitigate potential compromise of sensitive system assets.",
  "technicalDetails": "The vulnerability is a classic Path Traversal (CWE-22) issue, arising from the application's failure to properly sanitize or validate user-supplied input before using it to construct file paths for filesystem operations.\nWhen the application processes requests that involve retrieving local resources—such as template files, log files, or static assets—it fails to neutralize directory traversal sequences, specifically '../' or encoded variants thereof.\nThe attack flow begins when an attacker identifies a vulnerable endpoint within the DIAEnergie application that accepts a filename or file path as an input parameter.\nBy injecting sequences such as '../../../../etc/passwd' or similar platform-specific paths into these parameters, the attacker can break out of the designated web directory structure.\nThe underlying operating system resolves these path traversal sequences, allowing the application's backend processes—running with the privileges of the web server or application service—to access files in sensitive system directories.\nIf the application lacks sufficient input validation logic, such as a whitelist of allowed files or directory anchoring, the system effectively grants read access to any file reachable by the service's current user context.\nThe scope of impact depends largely on the service account's OS-level permissions; if the application runs as root or an administrative user, the impact is severe, potentially resulting in the compromise of sensitive configuration files containing database credentials, application secrets, or user data.\nFurthermore, this vulnerability facilitates reconnaissance activities, allowing an attacker to map the internal filesystem architecture, identify installed software components, and discover additional attack vectors that might be leveraged for secondary exploitation stages.\nThere is no indication of advanced obfuscation or specific authentication requirements for triggering this flaw, suggesting that the entry point is exposed to any network entity capable of reaching the DIAEnergie web interface.\nThe flaw persists across all DIAEnergie installations prior to version 1.11.00.022, necessitating an update to the vendor-provided patch to remediate the unsafe file path handling mechanism."
}