CVE-2026-32253 Sunshine: Authentication bypass via improper client certificate validation

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 X509VERRUNABLETOGETISSUERCERTLOCALLY,...

CVE-2026-32253

CVE-2026-32253 (Sunshine) : Sunshine, a self-hosted game stream host for Moonlight, had a vulnerability in client-certificate authentication where the OpenSSL verification results were mishandled in src/crypto.cpp. The custom verify callback treated X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY, X...