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CVE-2026-93302 is an authentication-bypass vulnerability in wolfSSL's MatchTrustedPeer certificate-matching logic. The function ignores the public key when evaluating trusted peer certificates, allowing a forged clone of a trusted certificate authority certificate to pass verification. The issue affects builds that enable WOLFSSL_TRUST_PEER_CERT and load CA certificates through wolfSSL_CTX_trust_peer_cert() or wolfSSL_trust_peer_cert(). When OPENSSL_COMPATIBLE_DEFAULTS is defined, the affected surface expands to all CA certificate loading. The flaw affects both ordinary and mutual (D)TLS authentication deployments.
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No public exploit code observed for this vulnerability.
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High-severity trusted-peer certificate validation bypass in wolfSSL configurations using WOLFSSL_TRUST_PEER_CERT, potentially allowing a forged CA clone to be trusted.
High-severity wolfSSL trusted-peer certificate validation bypass that can allow a forged CA clone to be accepted in configurations using WOLFSSL_TRUST_PEER_CERT.
A wolfSSL certificate-authentication bypass in MatchTrustedPeer. By ignoring the public key, the vulnerable trust-peer validation can accept forged clones of a trusted CA certificate, allowing a malicious (D)TLS peer to bypass authentication when it knows the CA certificates accepted by the target. OPENSSL_COMPATIBLE_DEFAULTS broadens the affected CA-loading scope.
A high-severity wolfSSL authentication-bypass vulnerability in trusted-peer certificate matching. Because the public key is not checked, a forged clone of a trusted CA certificate can pass verification, enabling a malicious (D)TLS peer to bypass authentication when it knows which CA certificates the target has loaded.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.