{"id":"CVE-2026-116071","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116071","generatedAt":"2026-10-28T00:59:16.780Z","title":"rotki before 1.44.2 contains a weak key derivation vulnerability that allows attackers to brute-force backups because the premium sync key is a single unsalted SHA-256 of the user password.","description":"rotki before 1.44.2 contains a weak key derivation vulnerability that allows attackers to brute-force backups because the premium sync key is a single unsalted SHA-256 of the user password. Attackers who obtain an uploaded backup blob can run GPU-parallel offline password guessing and decrypt the database containing exchange API keys, secrets, wallet addresses and transaction history.","published":"2026-10-25T12:16:30.000Z","lastModified":"2026-10-26T18:41:21.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.2,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:P/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/M"},"cwe":["CWE-916"],"affected":[],"epss":{"score":0.00201,"percentile":0.09841,"date":"2026-10-26","history":[{"date":"2026-10-26","score":0.00201,"percentile":0.09841}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-25T12:16:30.000Z","detail":{"score":"8.2","severity":"HIGH","publishedAt":"2026-10-25T12:16:29.623Z"},"summary":"New CVE, high severity (CVSS 8.2)."}],"references":[{"url":"https://github.com/rotki/rotki","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rotki/rotki/issues/13393","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rotki/rotki/pull/13401","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rotki/rotki/releases/tag/v1.44.2","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-cloud-backup-encryption","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116071","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}