medium5.9
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…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Rotki | before 1.44.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/rotki/rotki
- https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45
- https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294
- https://github.com/rotki/rotki/issues/13393
- https://github.com/rotki/rotki/pull/13401
- https://github.com/rotki/rotki/releases/tag/v1.44.2
- https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-cloud-backup-encryption