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.
History

Tue, 29 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 27 Sep 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Wolfssl
Wolfssl wolfssl
Vendors & Products Wolfssl
Wolfssl wolfssl

Sun, 27 Sep 2026 09:30:00 +0000

Type Values Removed Values Added
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.
Title Client accepts unsolicited RawPublicKey server certificate type
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 8.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: wolfSSL

Published: 2026-09-27T09:12:39.137Z

Updated: 2026-09-29T16:39:15.460Z

Reserved: 2026-09-10T22:38:50.530Z

Link: CVE-2026-89136

cve-icon Vulnrichment

Updated: 2026-09-29T16:38:02.642Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-27T10:16:59.287

Modified: 2026-09-29T17:17:12.787

Link: CVE-2026-89136

cve-icon Redhat

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