CVE-2026-3194

MEDIUM

Chia Blockchain 2.1.0 - Auth Bypass

Title source: llm

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".

Scores

CVSS v3 4.5
EPSS 0.0003
EPSS Percentile 7.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Classification

CWE
CWE-306 CWE-287
Status published

Affected Products (1)

chia/blockchain

Timeline

Published Feb 25, 2026
Tracked Since Feb 26, 2026