CVE-2026-73230 Ente: 2of3 cards v1 contain a checksum that enables offline guessing of low-entropy secrets
An attacker with one 2of3 recovery card can offline guess low-entropy secrets due to a cleartext checksum, compromising Ente cloud account security.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73230?
CVE-2026-73230 is a medium-severity vulnerability in ente, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.
Weakness: CWE-200
Which versions are affected by CVE-2026-73230?
How do I fix CVE-2026-73230?
No fix has been published for CVE-2026-73230 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73230 being exploited?
There is no known exploitation of CVE-2026-73230 in the wild and no public exploit code.
Sources
Also known as GHSA-v6x7-rrch-9q9w.