{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85287","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-03T16:37:49.262Z","datePublished":"2026-11-05T16:03:13.686Z","dateUpdated":"2026-11-09T17:16:51.037Z"},"containers":{"cna":{"title":"HomeBox: Email Case-Sensitivity Bypass Allows Duplicate Account Creation and Login Denial of Service","problemTypes":[{"descriptions":[{"cweId":"CWE-178","lang":"en","description":"CWE-178: Improper Handling of Case Sensitivity","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1024","lang":"en","description":"CWE-1024: Comparison of Incompatible Types","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"}}],"references":[{"name":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-xqg9-6xxv-3452","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-xqg9-6xxv-3452"},{"name":"https://github.com/sysadminsmedia/homebox/commit/fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a","tags":["x_refsource_MISC"],"url":"https://github.com/sysadminsmedia/homebox/commit/fbf8c8505b47c3d46aa6c17f7c657906b5b1b83a"},{"name":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0","tags":["x_refsource_MISC"],"url":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0"}],"affected":[{"vendor":"sysadminsmedia","product":"homebox","versions":[{"version":"< 0.27.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-11-05T16:03:13.686Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-xqg9-6xxv-3452","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-xqg9-6xxv-3452","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-09T17:16:25.464767Z","id":"CVE-2026-85287","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-09T17:16:51.037Z"}}]}}