{"id":"CVE-2026-116071","revision":"af8502f559544e7fbf509bc9fbf09bc2","records":[{"revision":"af8502f559544e7fbf509bc9fbf09bc2","observedAt":"2026-10-25T13:17:04.381+00:00","statement":{"source":"cve-program","id":"CVE-2026-116071","aliases":[],"title":"rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption","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.","state":0,"publishedAt":"2026-10-25T11:50:59.252+00:00","modifiedAt":"2026-10-25T11:50:59.252+00:00","affected":[{"ecosystem":"Vendor product","name":"rotki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"rotki\",\n                    \"product\": \"rotki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.44.2\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/rotki/rotki/issues/13393","https://github.com/rotki/rotki","https://github.com/rotki/rotki/pull/13401","https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45","https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294","https://github.com/rotki/rotki/releases/tag/v1.44.2","https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-cloud-backup-encryption"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116071","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116071","identifiers":["CVE-2026-116071"]},"retained":false,"historicalAffected":[]}],"coverage":[]}