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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-89136

Client accepts unsolicited RawPublicKey server certificate type

Description

When using RPK (Raw Public Key), the client side of a TLS 1.2, 1.3 and DTLS 1.2 connection could accept an unsolicited server_cert_type=RawPublicKey which allowed a malicious or misbehaving server to bypass authentication. RPK is off by default and only enabled in --enable-rpk OR --enable-all OR --enable-distro AKA HAVE_RPK builds.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

wolfSSL wolfSSL

Default version status: unaffected

  • 5.6.0 to ≤ 5.9.2affected

References