CVE-2026-53454

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{"affected": [{"affectedData": [{"product": "blueprint-studio", "vendor": "ha-china", "versions": [{"status": "affected", "version": "< 2.5.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio configured Git's credential.helper store when saving Git credentials, causing Git credential-store to persist usernames and access tokens in plaintext in the .git-credentials file for the user running Home Assistant. Tokens could remain outside Blueprint Studio's intended Home Assistant storage and be read by other users or processes with access to the same filesystem context. The persistent helper configuration also affected later Git operations beyond the immediate Blueprint Studio action. This issue is fixed in version 2.5.2."}, {"lang": "es", "value": "Blueprint Studio es un editor de archivos similar a VS Code para archivos de configuraci\u00f3n de Home Assistant. Antes de la 2.5.2, Blueprint Studio configuraba el almac\u00e9n credential.helper de Git al guardar credenciales de Git, lo que hac\u00eda que Git credential-store persistiera nombres de usuario y tokens de acceso en texto plano en el archivo .git-credentials para el usuario que ejecutaba Home Assistant. Los tokens pod\u00edan permanecer fuera del almacenamiento de Home Assistant previsto por Blueprint Studio y ser le\u00eddos por otros usuarios o procesos con acceso al mismo contexto del sistema de archivos. La configuraci\u00f3n persistente del helper tambi\u00e9n afectaba a operaciones posteriores de Git m\u00e1s all\u00e1 de la acci\u00f3n inmediata de Blueprint Studio. Este problema est\u00e1 solucionado en la versi\u00f3n 2.5.2."}], "id": "CVE-2026-53454", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53454", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-21T19:13:53.452711Z", "version": "2.0.3"}}]}, "published": "2026-08-18T21:16:35.133", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"}, {"source": "security-advisories@github.com", "url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-pgxq-h2pc-gqq8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-522"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "blueprint-studio", "source": "cna", "vendor": "ha-china"}, "product": "blueprint-studio", "vendor": "ha-china"}], "created": "2026-08-21T12:32:34.830746+00:00", "updated": "2026-08-21T17:00:04.118639+00:00", "vendors": ["ha-china", "ha-china$PRODUCT$blueprint-studio"]}