{"id":"CVE-2026-89136","summary":"Client accepts unsolicited RawPublicKey server certificate type","details":"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.","modified":"2026-09-30T03:30:59.408172845Z","published":"2026-09-27T09:12:39.137Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89136.json","cna_assigner":"wolfSSL","cwe_ids":["CWE-287"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89136.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89136"},{"type":"FIX","url":"https://github.com/wolfSSL/wolfssl/pull/11009"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wolfssl/wolfssl","events":[{"introduced":"979707380c677dfa65e3ba48f19e149773a4a32d"},{"last_affected":"ac01707f552c611fbd135cc723b2682b3e7f80f2"}],"database_specific":{"extracted_events":[{"introduced":"5.6.0"},{"last_affected":"5.9.2"}],"source":"AFFECTED_FIELD"}}],"versions":["v5.9.2-stable","v5.9.1-stable","v5.9.0-stable","v5.8.4-stable","wolfEntropy2d","v5.8.2-stable","wolfEntropy1","v5.8.0-stable","v5.7.6-stable","v5.7.4-stable","v5.2.1","v5.7.2-stable","v5.7.0-stable","v5.6.6-stable","v5.6.4-stable","v5.6.2-stable","v5.6.3-stable","v5.6.0-stable"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89136.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N"}]}