CVE-2026-32253

{"id": "CVE-2026-32253", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32253", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-26T13:08:15.350117Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "LizardByte", "product": "Sunshine", "versions": [{"status": "affected", "version": "< 2026.516.143833"}]}]}], "published": "2026-05-22T17:16:46.393", "references": [{"url": "https://github.com/LizardByte/Sunshine/releases/tag/v2026.516.143833", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/LizardByte/Sunshine/security/advisories/GHSA-ph75-mgxh-mv57", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/LizardByte/Sunshine/security/advisories/GHSA-ph75-mgxh-mv57", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Sunshine is a self-hosted game stream host for Moonlight. In versions prior to 2026.516.143833, the client-certificate authentication can be bypassed because of how OpenSSL verification results are handled. In src/crypto.cpp, the custom verify callback treats X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY, X509_V_ERR_CERT_NOT_YET_VALID, and X509_V_ERR_CERT_HAS_EXPIRED as success. This can allow an untrusted certificate to pass authentication and access protected HTTPS endpoints. This issue has been fixed in version 2026.516.143833."}, {"lang": "es", "value": "Sunshine es un anfitri\u00f3n de transmisi\u00f3n de juegos autoalojado para Moonlight. En versiones anteriores a 2026.516.143833, la autenticaci\u00f3n de certificado de cliente puede ser eludida debido a c\u00f3mo se manejan los resultados de verificaci\u00f3n de OpenSSL. En src/crypto.cpp, la funci\u00f3n de devoluci\u00f3n de llamada de verificaci\u00f3n personalizada trata X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY, X509_V_ERR_CERT_NOT_YET_VALID y X509_V_ERR_CERT_HAS_EXPIRED como \u00e9xito. Esto puede permitir que un certificado no confiable pase la autenticaci\u00f3n y acceda a puntos finales HTTPS protegidos. Este problema ha sido solucionado en la versi\u00f3n 2026.516.143833."}], "lastModified": "2026-07-23T16:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lizardbyte:sunshine:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21895D5F-6CFA-4693-AB10-89FB1059EF49", "versionEndExcluding": "2026.516.143833"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}