CVE-2026-3194
CVE-2026-3194 is a medium-severity vulnerability in Chia Blockchain with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: Medium (CVSS 3.x base score 4.5)
- CVSS v2: 3.5
- CVSS v4: 1.1
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-8699
- Weakness: CWE-306
- Affected product: Chia Blockchain
- Published:
- Last modified:
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".
Frequently asked questions
- What is CVE-2026-3194?
- 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".
- How severe is CVE-2026-3194?
- CVE-2026-3194 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-3194 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-3194?
- CVE-2026-3194 affects Chia Blockchain. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-3194?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3194 have an EU (EUVD) identifier?
- Yes. CVE-2026-3194 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8699.
- When was CVE-2026-3194 published?
- CVE-2026-3194 was published on 2026-02-25 and last updated on 2026-06-17.
References
- https://github.com/Danimlzg/chia-rpc-auth-bypass.git
- https://vuldb.com/?ctiid.347750
- https://vuldb.com/?id.347750
- https://vuldb.com/?submit.757201
Affected products (1)
- cpe:2.3:a:chia:blockchain:2.1.0:*:*:*:*:*:*:*
More vulnerabilities in Chia Blockchain
- CVE-2026-3192 — Medium (CVSS 5.6): A security vulnerability has been detected in Chia Blockchain 2.1.0. This issue affects the function _authenticate of…
- CVE-2026-3193 — Low (CVSS 3.1): A vulnerability was detected in Chia Blockchain 2.1.0. Impacted is an unknown function of the file /send_transaction.…
All CVEs affecting Chia Blockchain →
Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities
- CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
- CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
- CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
- CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…
Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →