{"id":"CVE-2026-104476","title":"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","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 gen…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-200"],"vendor":"backdrop","product":"backdrop","affected":["backdrop < 1.35.1"],"published":"2026-10-03","updated":"2026-10-03","sourceUpdated":"2026-10-03T00:16:35.747","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104476","references":[{"url":"https://backdropcms.org/security/backdrop-sa-core-2026-006","label":"disclosure@vulncheck.com"},{"url":"https://github.com/backdrop/backdrop","label":"disclosure@vulncheck.com"},{"url":"https://github.com/backdrop/backdrop/commit/1ae67061d9d487bb6cb3b8611191354052f34749","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/backdrop-cms-before-1.35.1-information-disclosure-via-configuration-export-archive","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-02T23:34:57.410Z","slug":"CVE-2026-104476","body":"## Overview\n\nBackdrop 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}