Vulnerability Details CVE-2026-32253
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.7%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-32253
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cpe:2.3:a:lizardbyte:sunshine:0.1.0
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cpe:2.3:a:lizardbyte:sunshine:0.1.1
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cpe:2.3:a:lizardbyte:sunshine:0.10.0
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cpe:2.3:a:lizardbyte:sunshine:0.10.1
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cpe:2.3:a:lizardbyte:sunshine:0.11.0
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cpe:2.3:a:lizardbyte:sunshine:0.11.1
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cpe:2.3:a:lizardbyte:sunshine:0.12.0
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cpe:2.3:a:lizardbyte:sunshine:0.13.0
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cpe:2.3:a:lizardbyte:sunshine:0.14.0
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cpe:2.3:a:lizardbyte:sunshine:0.14.1
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cpe:2.3:a:lizardbyte:sunshine:0.15.0
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cpe:2.3:a:lizardbyte:sunshine:0.16.0
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cpe:2.3:a:lizardbyte:sunshine:0.17.0
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cpe:2.3:a:lizardbyte:sunshine:0.18.0
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cpe:2.3:a:lizardbyte:sunshine:0.18.1
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cpe:2.3:a:lizardbyte:sunshine:0.18.2
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cpe:2.3:a:lizardbyte:sunshine:0.18.3
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cpe:2.3:a:lizardbyte:sunshine:0.18.4
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cpe:2.3:a:lizardbyte:sunshine:0.19.0
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cpe:2.3:a:lizardbyte:sunshine:0.19.1
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cpe:2.3:a:lizardbyte:sunshine:0.2.0
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cpe:2.3:a:lizardbyte:sunshine:0.20.0
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cpe:2.3:a:lizardbyte:sunshine:0.21.0
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cpe:2.3:a:lizardbyte:sunshine:0.22.0
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cpe:2.3:a:lizardbyte:sunshine:0.22.1
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cpe:2.3:a:lizardbyte:sunshine:0.22.2
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cpe:2.3:a:lizardbyte:sunshine:0.23.0
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cpe:2.3:a:lizardbyte:sunshine:0.23.1
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cpe:2.3:a:lizardbyte:sunshine:0.3.0
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cpe:2.3:a:lizardbyte:sunshine:0.3.1
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cpe:2.3:a:lizardbyte:sunshine:0.4.0
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cpe:2.3:a:lizardbyte:sunshine:0.6.0
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cpe:2.3:a:lizardbyte:sunshine:0.7.0
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cpe:2.3:a:lizardbyte:sunshine:0.7.1
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cpe:2.3:a:lizardbyte:sunshine:0.7.7
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cpe:2.3:a:lizardbyte:sunshine:0.8.0
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cpe:2.3:a:lizardbyte:sunshine:0.9.0
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cpe:2.3:a:lizardbyte:sunshine:2025.118.151840
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cpe:2.3:a:lizardbyte:sunshine:2025.122.141614
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cpe:2.3:a:lizardbyte:sunshine:2025.628.4510
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cpe:2.3:a:lizardbyte:sunshine:2025.828.181854
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cpe:2.3:a:lizardbyte:sunshine:2025.829.135256
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cpe:2.3:a:lizardbyte:sunshine:2025.923.184424
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cpe:2.3:a:lizardbyte:sunshine:2025.923.33222
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cpe:2.3:a:lizardbyte:sunshine:2025.924.154138