What’s Vulnerable › Vulnerabilities

CVE-2026-64826: rConfig < 8.2.13 Path Traversal File Read via FileDownloadController

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-12 · updated 2026-09-09
• Weakness: CWE-22

Description

rConfig before 8.2.13 contains a path traversal vulnerability that allows authenticated attackers to read arbitrary files by supplying unsanitized directory traversal sequences in the filename GET parameter of the download_export() method. Attackers can craft requests with ../ sequences to escape the exports base directory and access sensitive files readable by the web server process, including application environment files containing encryption keys, database credentials, and mail configuration.

Affected products

• rconfig: before 8.2.13 — fixed in 8.2.13

How to fix

Upgrade to a fixed version: rconfig 8.2.13. Check the vendor advisory for mitigations.

References

• https://github.com/rconfig/rconfig/commit/d133a466a2df9d065177de9a8ed50f1bfe438aee
• https://github.com/rconfig/rconfig/pull/349
• https://github.com/rconfig/rconfig/releases/tag/core-8.2.13
• https://www.vulncheck.com/advisories/rconfig-path-traversal-file-read-via-filedownloadcontroller

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