Vulnerability in Rotki
CVE-2026-116071
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 .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/rotki/rotki/issues/13393 (issue-tracking)
- github.com/rotki/rotki (product)
- github.com/rotki/rotki/pull/13401 (issue-tracking, patch)
- github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py (technical-description)
- github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py (technical-description)
- github.com/rotki/rotki/releases/tag/v1.44.2 (release-notes)
- www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premiu… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-116071?
- CVE-2026-116071 is a medium-severity vulnerability in Rotki, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.9/10. Published 2026-10-25.
- How severe is CVE-2026-116071?
- Medium severity. CVSS v3 base score is 5.9 out of 10.