Auth bypass in Chia Blockchain
CVE-2026-3192
A security vulnerability has been detected in Chia Blockchain 2.1.0. This issue affects the function _authenticate of the file rpc_server_base.py of the component RPC Credential Handler. The manipulation leads to improper authentication. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been disclosed publicly 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".
Vulnerability class: Broken Authentication
EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Chia Blockchain — versions 2.1.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-3192?
- CVE-2026-3192 is a medium-severity vulnerability in Chia Blockchain, classified under Improper Authentication. CVSS score: 5.6/10. Published 2026-02-25.
- How severe is CVE-2026-3192?
- Medium severity. CVSS v3 base score is 5.6 out of 10.