CVE-2026-116071

rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption

Published Oct 25, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Rotki
Rotki rotki
Vendors & Products Rotki
Rotki rotki
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 29, 2026, 3:56 PM
Reserved
Oct 25, 2026, 1:57 AM
Status
Deferred
Published
Oct 25, 2026, 12:16 PM
Modified
Oct 29, 2026, 4:18 PM