rConfig up to 8.2.12 Export Download Endpoint filename path traversal

Summaryinfo

A vulnerability identified as problematic has been detected in rConfig up to 8.2.12. Affected by this issue is some unknown functionality of the component Export Download Endpoint. Performing a manipulation of the argument filename results in path traversal. This vulnerability is known as CVE-2026-77914. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in rConfig up to 8.2.12. This affects some unknown functionality of the component Export Download Endpoint. The manipulation of the argument filename with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. The summary by CVE is:

rConfig before 8.2.13 contains a path traversal vulnerability that allows authenticated users to read arbitrary files by supplying crafted filenames containing directory traversal sequences to the export download endpoint. Attackers can manipulate the filename parameter with traversal sequences to escape the intended export directory and access files outside it that are readable by the application process.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-77914 since 08/21/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 8.2.13 eliminates this vulnerability.

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Productinfo

Name

• rConfig

Version

• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7
• 8.2.8
• 8.2.9
• 8.2.10
• 8.2.11
• 8.2.12

License

• open-source

Website

• Product: https://github.com/rconfig/rconfig/

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