CVE-2026-3194 LOW

CVE-2026-3194: Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication

Vendor Chia
Product Blockchain
Weakness CWE-306 · Missing auth
Published February 25, 2026
Last update February 25, 2026

CVSS base score

2.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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".

Key dates

02Disclosure timeline

February 25, 2026 CVE published
February 25, 2026 Record updated