{"id":"CVE-2026-85287","summary":"HomeBox: Email Case-Sensitivity Bypass Allows Duplicate Account Creation and Login Denial of Service","details":"HomeBox is a home inventory and organization system. Prior to 0.27.0, POST /api/v1/users/register and the users.email uniqueness constraint treat email addresses as case-sensitive while HomeBox uses a case-insensitive login lookup. An unauthenticated attacker who knows a victim's email can register a differently cased variant, creating duplicate rows that cause login to return 401 for both variants and deny the victim access, while also bypassing the one-account-per-email policy. This issue is fixed in version 0.27.0.","aliases":["GHSA-xqg9-6xxv-3452"],"modified":"2026-11-05T21:32:25.370453218Z","published":"2026-11-05T16:03:13.686Z","database_specific":{"cwe_ids":["CWE-1024","CWE-178"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85287.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85287.json"},{"type":"FIX","url":"https://github.com/sysadminsmedia/homebox/commit/fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a"},{"type":"WEB","url":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0"},{"type":"ADVISORY","url":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-xqg9-6xxv-3452"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85287"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sysadminsmedia/homebox","events":[{"introduced":"0"},{"fixed":"bae3fb4e9b84672e4e64da15e57a14217aea7c13"},{"fixed":"fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"fixed":"0.27.0"}],"source":"AFFECTED_FIELD","strategy":"StringRangeExpression"},{"range":[{"fixed":"fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a"}],"source":"REFERENCES_COMMIT"},{"original_tag":"v0.27.0","range":[{"fixed":"bae3fb4e9b84672e4e64da15e57a14217aea7c13"}],"source":"REFERENCES_TAG"}]}}],"versions":["v0.26.2","v0.26.1","v0.26.0","v0.26.0-rc.1","v0.25.0","v0.25.0-rc.1","v0.24.2","v0.24.1","v0.24.0","v0.24.0-rc.1","v0.23.1","v0.23.0","v0.23.0-rc.1","v0.22.3","v0.22.2","v0.22.1","v0.22.0-rc.1","v0.21.0","v0.20.2","v0.20.1","v0.19.0","v0.18.0","v0.17.2","v0.17.1","v0.17.0","v0.16.0","v0.15.2","v0.15.1","v0.15.0","v0.14.2","v0.14.1","v0.14.0","v0.13.0","v0.12.1","v0.12.0","v0.11.1","v0.11.0","v0.9.2","v0.9.1","v0.9.0","v0.8.2","v0.8.1","v0.8.0","v0.7.0","v0.6.0","v0.5.1","v0.5.0","v0.4.0","v0.3.1","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85287.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"}]}