CVE-2026-3194

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{"affected": [{"affectedData": [{"modules": ["RPC Server Master Passphrase Handler"], "product": "Blockchain", "vendor": "Chia", "versions": [{"status": "affected", "version": "2.1.0"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:chia:blockchain:2.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "6FF3B0E2-5398-4EEF-8EF1-EF9BF237FC95", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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\"."}, {"lang": "es", "value": "Se ha encontrado una falla en Chia Blockchain 2.1.0. El elemento afectado es la funci\u00f3n send_transaction/get_private_key del componente RPC Servidor Master Passphrase Gestor. Esta manipulaci\u00f3n causa autenticaci\u00f3n faltante. El ataque solo puede ejecutarse localmente. La complejidad del ataque se califica como alta. La explotabilidad se describe como dif\u00edcil. El exploit se ha publicado y puede usarse. El proveedor fue informado tempranamente por correo electr\u00f3nico. Un informe separado a trav\u00e9s de bugbounty fue rechazado con la raz\u00f3n 'Esto es por dise\u00f1o. El usuario es responsable de la seguridad del host'."}], "id": "CVE-2026-3194", "lastModified": "2026-06-17T10:43:11.480", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:H/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 1.5, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3194", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-25T18:43:30.844423Z", "version": "2.0.3"}}]}, "published": "2026-02-25T18:23:42.810", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Danimlzg/chia-rpc-auth-bypass.git"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.347750"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.347750"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.757201"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-306"}], "source": "cna@vuldb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.1.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Blockchain", "source": "cna", "vendor": "Chia"}, "product": "blockchain", "vendor": "chia"}], "analysis": {"en": {"generated_at": "2026-04-18T10:39:06.570197+00:00", "value": {"mitigation_remediation": ["Upgrade to the latest Chia Blockchain release that contains a fix for this authentication bypass", "If immediate upgrade is not possible, restrict the RPC server to trusted hosts or disable it entirely on untrusted machines", "Continuously audit wallet activity and RPC logs for signs of unauthorized private key usage"], "summary": {"action": "Apply patch", "impact": "Unauthorized local private key disclosure"}, "threat_synthesis": {"affected_systems": "Chia Blockchain version 2.1.0 is affected. No other versions or products are listed as impacted.", "description_and_impact": "A flaw in Chia Blockchain 2.1.0 allows an attacker with local access to bypass authentication in the RPC Server Master Passphrase Handler and retrieve a private key. The vulnerability is classified as CWE\u2011287 and CWE\u2011306. The description states that the attack has high complexity and is difficult to exploit, yet an exploit has been published. If successful, the attacker can recover the private key used by the wallet.", "risk_and_exploitability": "The CVSS score is 2, indicating low severity, and the EPSS score is under 1%, meaning exploitation is unlikely. The vulnerability is not in the CISA KEV catalog. The attack vector is local only, so it requires the attacker to have host access to a running Chia node with the RPC server enabled."}}}}, "created": "2026-02-26T13:15:14.572339+00:00", "updated": "2026-04-18T10:45:43.659694+00:00", "vendors": ["chia", "chia$PRODUCT$blockchain"]}