CVE-2026-3194 Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
Local attackers can access private keys via the RPC server due to missing authentication, exposing sensitive blockchain credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3194?
CVE-2026-3194 is a low-severity missing authorization vulnerability in Chia Blockchain, published on 25 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in Chia Blockchain 2.1.0. The affected element is the function send_transaction/get_private_key of the component RPC Server Master Passphrase Handler. This manipulation causes missing authentication. The attack can only be executed locally. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been published and may be used. The vendor was informed early via email. A separate report via bugbounty was rejected with the reason "This is by design. The user is responsible for host security".
Which versions are affected by CVE-2026-3194?
It affects 1 product.
Products include Chia Blockchain.
How do I fix CVE-2026-3194?
No fix has been published for CVE-2026-3194 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-3194 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3194 exists.
Other vulnerabilities in Chia Blockchain
Sources
Also known as GHSA-rqc2-5fv7-4vrp.