CVE-2026-116071
mediumrotki 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…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/rotki/rotki disclosure@vulncheck.com
- https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45 disclosure@vulncheck.com
- https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294 disclosure@vulncheck.com
- https://github.com/rotki/rotki/issues/13393 disclosure@vulncheck.com
- https://github.com/rotki/rotki/pull/13401 disclosure@vulncheck.com
- https://github.com/rotki/rotki/releases/tag/v1.44.2 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-c... disclosure@vulncheck.com
