{"id":"CVE-2026-73230","aliases":["EUVD-2026-56893","GHSA-v6x7-rrch-9q9w"],"status":"published","title":"Ente: 2of3 cards v1 contain a checksum that enables offline guessing of low-entropy secrets","description":"Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00159,"percentile":0.05143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-08-11T19:17:03Z","modified":"2026-10-28T02:30:40Z","products":[{"vendor":"ente","product":"ente"}],"references":[{"url":"https://github.com/ente/ente/security/advisories/GHSA-v6x7-rrch-9q9w","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/ente/ente/pull/11729","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/ente/ente/commit/6681d8370a37c2fc745d3098126ba1ee62bf06a5","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/ente/ente/commit/c3d2e400ae6fa66d5ce7df422136d28805fe1442","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73230.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73230","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73230","title":"Ente: 2of3 cards v1 contain a checksum that enables offline guessing of low-entropy secrets","description":"Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.","status":"published","published":"2026-08-11T19:17:03.159Z","modified":"2026-08-13T13:57:59.751Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-56893","description":"Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.","status":"published","published":"2026-08-11T19:17:03Z","modified":"2026-08-13T13:57:59Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:56.761721Z"}],"nvd":[{"id":"CVE-2026-73230","description":"Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.","status":"published","published":"2026-08-11T20:18:48.257Z","modified":"2026-09-18T20:09:01.757Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/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-200"],"updated_at":"2026-11-02T14:12:36.880938Z"}],"osv":[{"id":"CVE-2026-73230","title":"Ente: 2of3 cards v1 contain a checksum that enables offline guessing of low-entropy secrets","description":"Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.","status":"published","published":"2026-08-11T19:17:03.159Z","modified":"2026-10-28T02:30:40.050970986Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:45:15.88521Z"}]}}
