CVE-2026-104476

Summary

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.

Affected Software

VendorProductVersion RangeStatus
backdropbackdrop0 < 1.35.1affected
backdropbackdrop1.35.1unaffected

Weaknesses

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

References