CVE-2026-64826 rConfig < 8.2.13 Path Traversal File Read via FileDownloadController
Authenticated attackers can read arbitrary files, including sensitive configuration data, via path traversal in the file download feature.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64826?
CVE-2026-64826 is a high-severity path traversal vulnerability in rConfig, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-64826?
How do I fix CVE-2026-64826?
No fix has been published for CVE-2026-64826 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-64826 being exploited?
There is no known exploitation of CVE-2026-64826 in the wild and no public exploit code.
Sources
Also known as GHSA-qrrp-6pvj-xfvf.