Path Traversal in Rconfig
CVE-2026-64826
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Rconfig — versions 0
Weakness classification (CWE)
References
- github.com/rconfig/rconfig/releases/tag/core-8.2.13 (release-notes)
- github.com/rconfig/rconfig/pull/349 (issue-tracking)
- github.com/rconfig/rconfig/commit/d133a466a2df9d065177de9a8ed50f1bfe438aee (patch)
- www.vulncheck.com/advisories/rconfig-path-traversal-file-read-via-filedownloadc… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-64826?
- CVE-2026-64826 is a medium-severity vulnerability in Rconfig, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-08-12.
- How severe is CVE-2026-64826?
- Medium severity. CVSS v3 base score is 6.5 out of 10.