{"id":"CVE-2026-85286","state":"PUBLISHED","title":"HomeBox: Timing Side-Channel in Login Endpoint Allows User Enumeration via Bcrypt Hashing Delay","description":"HomeBox is a home inventory and organization system. Prior to 0.27.0, the POST /api/v1/users/login endpoint performs password-hash verification only when the submitted username matches an existing account, while unknown usernames return immediately. Although both paths return the same 401 unauthorized response, the processing-time discrepancy allows an unauthenticated remote attacker to distinguish registered email addresses; rate limiting only reduces the number of attempts per window. This issue is fixed in version 0.27.0.","publishedAt":"2026-11-05T16:01:52.991Z","updatedAt":"2026-11-05T16:01:52.991Z","severity":{"score":3.7,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["sysadminsmedia homebox"],"affected":[{"vendor":"sysadminsmedia","product":"homebox","versions":[{"version":"< 0.27.0","status":"affected"}]}],"references":["https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-4p8r-vm9v-c9pm","https://github.com/sysadminsmedia/homebox/commit/66809ce3583cbd0b43e8f5ce30cc269a1cfe4201","https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0"],"weaknesses":["CWE-204","CWE-208"],"ingestedAt":"2026-11-05T16:06:06.443Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/85xxx/CVE-2026-85286.json","commit":"c80621753e0f99b867d36cfba7e8614c31700fa3","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85286","state":"PUBLISHED","datePublished":"2026-11-05T16:01:52.991Z","dateUpdated":"2026-11-05T16:01:52.991Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-03T16:37:49.262Z"},"containers":{"cna":{"title":"HomeBox: Timing Side-Channel in Login Endpoint Allows User Enumeration via Bcrypt Hashing Delay","descriptions":[{"lang":"en","value":"HomeBox is a home inventory and organization system. Prior to 0.27.0, the POST /api/v1/users/login endpoint performs password-hash verification only when the submitted username matches an existing account, while unknown usernames return immediately. Although both paths return the same 401 unauthorized response, the processing-time discrepancy allows an unauthenticated remote attacker to distinguish registered email addresses; rate limiting only reduces the number of attempts per window. This issue is fixed in version 0.27.0."}],"affected":[{"vendor":"sysadminsmedia","product":"homebox","versions":[{"version":"< 0.27.0","status":"affected"}]}],"references":[{"url":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-4p8r-vm9v-c9pm","name":"https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-4p8r-vm9v-c9pm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/sysadminsmedia/homebox/commit/66809ce3583cbd0b43e8f5ce30cc269a1cfe4201","name":"https://github.com/sysadminsmedia/homebox/commit/66809ce3583cbd0b43e8f5ce30cc269a1cfe4201","tags":["x_refsource_MISC"]},{"url":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0","name":"https://github.com/sysadminsmedia/homebox/releases/tag/v0.27.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-204","lang":"en","description":"CWE-204: Observable Response Discrepancy","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-208","lang":"en","description":"CWE-208: Observable Timing Discrepancy","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-11-05T16:01:52.991Z"},"source":{"advisory":"GHSA-4p8r-vm9v-c9pm","discovery":"UNKNOWN"}}}}}