{"id":"CVE-2026-47377","aliases":["EUVD-2026-38626","GHSA-rvp5-9p55-f5rp"],"status":"published","title":"NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link silently redirected visitors to an attacker-controlled origin. This vulnerability is fixed in 2026.04.1.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00406,"percentile":0.35154,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2026-06-05T16:00:15Z","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-rvp5-9p55-f5rp","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-2026-47377","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rvp5-9p55-f5rp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47377.json","tags":["advisory"]},{"url":"https://github.com/nocodb/nocodb","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-47377","title":"NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link silently redirected visitors to an attacker-controlled origin. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:35:06.569Z","modified":"2026-06-24T14:42:21.097Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T13:36:40.478484Z"}],"euvd":[{"id":"EUVD-2026-38626","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link silently redirected visitors to an attacker-controlled origin. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:35:06Z","modified":"2026-06-24T14:42:21Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:30.642628Z"}],"ghsa":[{"id":"GHSA-rvp5-9p55-f5rp","title":"NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin","description":"### Summary\n\nThe client-side `hashRedirect` plugin called `window.location.replace()` on a path extracted from the URL hash fragment after only checking `hashPath.startsWith('/')`. Protocol-relative URLs (`//attacker.com/…`) also satisfy that check, so a crafted link such as `https://nocodb.example/#//attacker.com/phishing` silently redirected visitors to an attacker-controlled origin.\n\n### Details\n\nIn `packages/nc-gui/plugins/hashRedirect.client.ts`, the plugin extracted the hash content and normalised it into `cleanUrl`:\n\n```ts\nlet cleanUrl = hashPath.startsWith('/') ? hashPath : `/${hashPath}`\nif (hashQuery) cleanUrl += `?${hashQuery}`\nwindow.location.replace(cleanUrl)\n```\n\n`startsWith('/')` returns true for `//attacker.com/...`, which browsers interpret as a protocol-relative absolute URL. No hostname check was performed before the redirect. The fix adds an early `if (/^\\/[/\\\\]/.test(hashPath)) return` to reject protocol-relative paths.\n\n### Impact\n\n- Open redirect from any NocoDB origin to an attacker-controlled domain.\n- No authentication required; the attack lands the victim on an attacker-controlled page that may impersonate a NocoDB login.\n\n### Credit\n\nThis issue was reported by [@fg0x0](https://github.com/fg0x0).","status":"published","published":"2026-06-05T16:00:15Z","modified":"2026-07-20T21:17:29Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:40:47.245721Z"}],"nvd":[{"id":"CVE-2026-47377","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link silently redirected visitors to an attacker-controlled origin. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T21:16:59.413Z","modified":"2026-06-25T14:21:00.26Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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-601"],"updated_at":"2026-11-02T14:12:25.288279Z"}],"osv":[{"id":"CVE-2026-47377","title":"NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin","description":"NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the client-side hashRedirect plugin called window.location.replace() on a path extracted from the URL hash fragment after only checking hashPath.startsWith('/'). Protocol-relative URLs (//attacker.com/…) also satisfy that check, so a crafted link silently redirected visitors to an attacker-controlled origin. This vulnerability is fixed in 2026.04.1.","status":"published","published":"2026-06-23T20:35:06.569Z","modified":"2026-11-04T02:47:46.849957893Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-04T02:53:00.786919Z"},{"id":"GHSA-rvp5-9p55-f5rp","title":"NocoDB: Open Redirect via Hash Fragment in hashRedirect Plugin","description":"### Summary\n\nThe client-side `hashRedirect` plugin called `window.location.replace()` on a path extracted from the URL hash fragment after only checking `hashPath.startsWith('/')`. Protocol-relative URLs (`//attacker.com/…`) also satisfy that check, so a crafted link such as `https://nocodb.example/#//attacker.com/phishing` silently redirected visitors to an attacker-controlled origin.\n\n### Details\n\nIn `packages/nc-gui/plugins/hashRedirect.client.ts`, the plugin extracted the hash content and normalised it into `cleanUrl`:\n\n```ts\nlet cleanUrl = hashPath.startsWith('/') ? hashPath : `/${hashPath}`\nif (hashQuery) cleanUrl += `?${hashQuery}`\nwindow.location.replace(cleanUrl)\n```\n\n`startsWith('/')` returns true for `//attacker.com/...`, which browsers interpret as a protocol-relative absolute URL. No hostname check was performed before the redirect. The fix adds an early `if (/^\\/[/\\\\]/.test(hashPath)) return` to reject protocol-relative paths.\n\n### Impact\n\n- Open redirect from any NocoDB origin to an attacker-controlled domain.\n- No authentication required; the attack lands the victim on an attacker-controlled page that may impersonate a NocoDB login.\n\n### Credit\n\nThis issue was reported by [@fg0x0](https://github.com/fg0x0).","status":"published","published":"2026-06-05T16:00:15Z","modified":"2026-07-20T21:30:42.868426509Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:56.281047Z"}]}}