CVE-2026-3194
Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
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".
INFO
Published Date :
Feb. 25, 2026, 6:23 p.m.
Last Modified :
March 5, 2026, 12:52 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Restrict local access to the RPC server.
- Implement multi-factor authentication for sensitive operations.
- Review and enforce host security policies.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3194.
| URL | Resource |
|---|---|
| https://github.com/Danimlzg/chia-rpc-auth-bypass.git | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.347750 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.347750 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.757201 | Third Party AdvisoryVDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3194 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3194
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3194 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3194 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 05, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-306 Added CPE Configuration OR *cpe:2.3:a:chia:blockchain:2.1.0:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/Danimlzg/chia-rpc-auth-bypass.git Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.347750 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.347750 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.757201 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 25, 2026
Action Type Old Value New Value Added 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". Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:H/Au:S/C:P/I:P/A:P) Added CWE CWE-287 Added CWE CWE-306 Added Reference https://github.com/Danimlzg/chia-rpc-auth-bypass.git Added Reference https://vuldb.com/?ctiid.347750 Added Reference https://vuldb.com/?id.347750 Added Reference https://vuldb.com/?submit.757201