{"id":"CVE-2026-85287","aliases":["EUVD-2026-117561","GHSA-xqg9-6xxv-3452"],"status":"published","title":"HomeBox: Email Case-Sensitivity Bypass Allows Duplicate Account Creation and Login Denial of Service","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00291,"percentile":0.21857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1024","CWE-178"],"published":"2026-11-05T16:03:13Z","modified":"2026-11-09T17:16:51Z","products":[{"vendor":"sysadminsmedia","product":"homebox"}],"references":[{"url":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-xqg9-6xxv-3452","tags":["x_refsource_CONFIRM","exploit","advisory"]},{"url":"https://github.com/sysadminsmedia/homebox/commit/fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85287.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85287","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-85287","title":"HomeBox: Email Case-Sensitivity Bypass Allows Duplicate Account Creation and Login Denial of Service","description":"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.","status":"published","published":"2026-11-05T16:03:13.686Z","modified":"2026-11-09T17:16:51.037Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-178","CWE-1024"],"updated_at":"2026-11-09T19:34:29.555364Z"}],"euvd":[{"id":"EUVD-2026-117561","description":"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.","status":"published","published":"2026-11-05T16:03:13Z","modified":"2026-11-09T17:16:51Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-09T18:17:39.592818Z"}],"nvd":[{"id":"CVE-2026-85287","description":"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.","status":"published","published":"2026-11-05T17:18:22.143Z","modified":"2026-11-09T18:17:34.723Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-178","CWE-1024"],"updated_at":"2026-11-09T20:15:34.274131Z"}],"osv":[{"id":"CVE-2026-85287","title":"HomeBox: Email Case-Sensitivity Bypass Allows Duplicate Account Creation and Login Denial of Service","description":"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.","status":"published","published":"2026-11-05T16:03:13.686Z","modified":"2026-11-10T02:30:24.336060339Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-1024","CWE-178"],"updated_at":"2026-11-07T03:08:11.332776Z"}]}}