[ CVE-2026-104476 · Published 3 Oct 2026 ]
Vulnerability in backdrop
CVSS 5.9
EPSS <1%No fix listed yet
[ Description ]Official description
Backdrop CMS before 1.35.1 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve configuration export archives left on the server after transfer. Attackers can download compressed archives generated by users with configuration export permission to obtain the full site configuration, including sensitive settings.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.