{"id":"CVE-2026-47380","aliases":["EUVD-2026-38624","GHSA-jr54-jwhj-55gp"],"status":"published","title":"NocoDB: User Enumeration via Sign-In Timing","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00314,"percentile":0.24621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-208","CWE-307"],"published":"2026-06-05T16:03:55Z","modified":"2026-11-04T02:47:46Z","fixes":[{"ecosystem":"npm","package":"nocodb","fixed_in":["2026.04.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"nocodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.04.1"}]}]},{"source":"osv","ecosystem":"npm","package":"nocodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.04.1"}]}]}],"products":[{"vendor":"nocodb","product":"nocodb"}],"references":[{"url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-jr54-jwhj-55gp","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/nocodb/nocodb/releases/tag/2026.04.1","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47380","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jr54-jwhj-55gp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47380.json","tags":["advisory"]},{"url":"https://github.com/nocodb/nocodb","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-47380","title":"NocoDB: User Enumeration via Sign-In Timing","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:33:27.73Z","modified":"2026-06-24T12:32:30.767Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-208","CWE-307"],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-38624","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:33:27Z","modified":"2026-06-24T12:32:30Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:31.123469Z"}],"ghsa":[{"id":"GHSA-jr54-jwhj-55gp","title":"NocoDB: User Enumeration via Sign-In Timing","description":"### Summary\nSign-in response timing differed between known and unknown email addresses because\nthe unknown-user branch returned without performing a password hash comparison.\n\n### Details\nThe unknown-user branch in `auth.service.ts` now performs a `bcrypt.compare` against\na fixed dummy hash so the response time of failed sign-ins is approximately\nindependent of whether the address exists. Rate limiting on the sign-in endpoint is\nimplemented in the Enterprise build only and is not affected by this advisory.\n\n### Impact\nA network-positioned attacker could enumerate registered email addresses by timing\nsign-in responses. Exploitation requires only the ability to send unauthenticated\nsign-in requests.\n\n### Credit\nThis issue was reported by [@AndyAnh174](https://github.com/AndyAnh174).","status":"published","published":"2026-06-05T16:03:55Z","modified":"2026-07-20T21:18:05Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-208","CWE-307"],"updated_at":"2026-11-02T14:40:47.245721Z"}],"nvd":[{"id":"CVE-2026-47380","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T21:16:59.803Z","modified":"2026-06-25T14:21:00.26Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-208","CWE-307"],"updated_at":"2026-11-02T14:12:25.288279Z"}],"osv":[{"id":"CVE-2026-47380","title":"NocoDB: User Enumeration via Sign-In Timing","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:33:27.73Z","modified":"2026-11-04T02:47:46.821572854Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-208","CWE-307"],"updated_at":"2026-11-04T02:53:00.786919Z"},{"id":"GHSA-jr54-jwhj-55gp","title":"NocoDB: User Enumeration via Sign-In Timing","description":"### Summary\nSign-in response timing differed between known and unknown email addresses because\nthe unknown-user branch returned without performing a password hash comparison.\n\n### Details\nThe unknown-user branch in `auth.service.ts` now performs a `bcrypt.compare` against\na fixed dummy hash so the response time of failed sign-ins is approximately\nindependent of whether the address exists. Rate limiting on the sign-in endpoint is\nimplemented in the Enterprise build only and is not affected by this advisory.\n\n### Impact\nA network-positioned attacker could enumerate registered email addresses by timing\nsign-in responses. Exploitation requires only the ability to send unauthenticated\nsign-in requests.\n\n### Credit\nThis issue was reported by [@AndyAnh174](https://github.com/AndyAnh174).","status":"published","published":"2026-06-05T16:03:55Z","modified":"2026-07-20T21:30:40.674946552Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-208","CWE-307"],"updated_at":"2026-11-02T15:46:50.687609Z"}]}}
