CVE-2026-86826
Medium
Description
The BackWPup WordPress plugin before 5.7.7 does not properly restrict web access to the working directory it uses during backup restores, allowing unauthenticated attackers, on webservers that do not honour .htaccess rules such as NGINX, to download the full backup archive (database dump and site files, including credentials and secret keys) left behind by an interrupted restore.
SeverityMedium
CVSS5.9
Exploit probability—
ProductBackWPup
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- BackWPup5.7.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BackWPup | v < 5.7.7 | 5.7.7 |
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