CVE-2026-3194CWE-287CWE-306

Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication

Low · published February 25, 2026

CVSS v4.0
2.0
EPSS
0%
Percentile
14.9
In the wild
Unconfirmed
What it is

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".

The record
Technical detail
CVSS v4.0
2.0 · LOW
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
EPSS
0.00246 · 14.9th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-02-25T17:02Z
EPSS history
Timeline
  • 25 FEB 17:02Z
    Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
    cvelistv5