CVE-2026-3194— Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
Quick assessment
Affected
Chia Blockchain
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
chia-blockchain是Chia Network开源的一个区块链Python库。 chia-blockchain 2.1.0版本存在访问控制错误漏洞，该漏洞源于组件RPC Server Master Passphrase Handler的函数send_transaction/get_private_key缺少身份验证。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-3194
Vulnerability Information
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Vulnerability Title
Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
Source: CVE Program / CVE List V5
Vulnerability 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".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
chia-blockchain 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
chia-blockchain是Chia Network开源的一个区块链Python库。 chia-blockchain 2.1.0版本存在访问控制错误漏洞，该漏洞源于组件RPC Server Master Passphrase Handler的函数send_transaction/get_private_key缺少身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Chia | Blockchain | 2.1.0 | - |
|
II. Public POCs for CVE-2026-3194
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3194 (1)
Proof of Concept for CVE-2026-3194 (1)
Same Patch Batch · Chia · 2026-02-25 · 3 CVEs total
| CVE-2026-3192 | 5.6 MEDIUM | Chia Blockchain RPC Credential rpc_server_base.py _authenticate improper authentication |
| CVE-2026-3193 | 3.1 LOW | Chia Blockchain send_transaction cross-site request forgery |
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V. Comments for CVE-2026-3194
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