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.

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History

Sun, 25 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
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.
Title rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption
Weaknesses CWE-916
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-25T11:50:59.252Z

Reserved: 2026-10-25T01:57:13.048Z

Link: CVE-2026-116071

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-10-25T12:16:29.623

Modified: 2026-10-25T12:16:29.623

Link: CVE-2026-116071

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses