Chia Blockchain RPC Credential rpc_server_base.py _authenticate improper authentication
Published Feb 25, 2026
6.3
MEDIUMCVSS 4.0
EPSS 0.90%
Description
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".
Affected products
-
Affected
- 2.1.0
Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).
| Vendor | Product | Default status | Versions |
|---|---|---|---|
| Chia | Blockchain | unknown | Affected
|
- 2.1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (4)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8691 Advisory
- https://github.com/Danimlzg/chia-rpc-auth-bypass.git exploitThird Party Advisory
- https://vuldb.com/?ctiid.347748 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.347748 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8691 | Advisory | |
| https://github.com/Danimlzg/chia-rpc-auth-bypass.git | exploitThird Party Advisory | |
| https://vuldb.com/?ctiid.347748 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.347748 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
CVE.org / MITRE
CISA Vulnrichment
Red Hat
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GitHub
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