{"schema":"threatline.record/2","record":{"id":"CVE-2026-116071","aliases":[],"summary":"rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption","details":"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.","categories":["Unclassified"],"product":"rotki","vendor":"rotki","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116071","source_modified_at":"2026-10-25T11:50:59.252Z","fetched_at":"2026-10-25T16:01:37.004770Z","product":"rotki","vendor":"rotki","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.44.2"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116071","source_modified_at":"2026-10-25T11:50:59.252Z","fetched_at":"2026-10-25T16:01:37.004770Z","package":{"name":"rotki","ecosystem":null},"version":"1.44.2","basis":"first unaffected version stated in the CVE record"}],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-25T11:50:59.252Z","modified_at":"2026-10-25T11:50:59.252Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116071","fetched_at":"2026-10-25T16:01:37.004770Z","source_modified_at":"2026-10-25T11:50:59.252Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/rotki/rotki/issues/13393","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/rotki/rotki","tags":["product"]},{"source":"CVE List","url":"https://github.com/rotki/rotki/pull/13401","tags":["patch","issue-tracking"]},{"source":"CVE List","url":"https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/rotki/rotki/releases/tag/v1.44.2","tags":["release-notes"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-cloud-backup-encryption","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-25T11:50:59.252Z","content_hash":"1ead770b4e75a25be50a055291c740c19bb1206f9414cd0fc82d18d3af8fa48c"}}