{"schema_version":1,"title":"Wolfssl wolfSSH vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Wolfssl wolfSSH: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84897, was published on 7 October 2026. Nothing in the last four weeks, down from 5 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/technologies/wolfssl-wolfssh","json_url":"https://junglewise.ai/threats/technologies/wolfssl-wolfssh.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/wolfssl-wolfssh","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":5,"last_365_days":5},"latest":[{"cve":"CVE-2026-84897","slug":"cve-2026-84897-src-internal-c-in-wolfssl-wolfssh-through-1-5-0-admits-the-server","title":"wolfSSL wolfSSH Diffie-Hellman group exchange message handling bypass","severity":"info","exploited":false,"published_at":"2026-10-07T03:17:00.067+00:00","url":"https://junglewise.ai/threats/cve-2026-84897-src-internal-c-in-wolfssl-wolfssh-through-1-5-0-admits-the-server"},{"cve":"CVE-2026-83742","slug":"cve-2026-83742-unsigned-integer-underflow-in-wstrncat-in-src-port-c-in-wolfssl","title":"wolfSSL wolfSSH unsigned integer underflow in wstrncat()","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.88+00:00","url":"https://junglewise.ai/threats/cve-2026-83742-unsigned-integer-underflow-in-wstrncat-in-src-port-c-in-wolfssl"},{"cve":"CVE-2026-83540","slug":"cve-2026-83540-when-password-or-public-key-authentication-is-used-with-the","title":"wolfSSL wolfSSHd Windows logon token release-of-resource vulnerability","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.73+00:00","url":"https://junglewise.ai/threats/cve-2026-83540-when-password-or-public-key-authentication-is-used-with-the"},{"cve":"CVE-2026-81535","slug":"cve-2026-81535-in-wolfssh-through-1-5-0-built-with-enable-fwd-dochannelopen-in","title":"wolfSSH forwarded-tcpip channel authorization bypass","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.567+00:00","url":"https://junglewise.ai/threats/cve-2026-81535-in-wolfssh-through-1-5-0-built-with-enable-fwd-dochannelopen-in"},{"cve":"CVE-2026-16516","slug":"cve-2026-16516-wolfssh-does-not-validate-that-the-ecdsa-curve-identifier-in-a","title":"wolfSSH ECDSA curve substitution in host key parsing","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:58.83+00:00","url":"https://junglewise.ai/threats/cve-2026-16516-wolfssh-does-not-validate-that-the-ecdsa-curve-identifier-in-a"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":5},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"wolfSSL","slug":"wolfssl","vulnerabilities":64,"url":"https://junglewise.ai/threats/technologies/wolfssl"}],"technology":{"hub":true,"name":"Wolfssl wolfSSH","slug":"wolfssl-wolfssh","vendor":{"hub":true,"name":"Wolfssl","slug":"wolfssl","url":"https://junglewise.ai/threats/vendors/wolfssl"},"aliases":[],"category":"library","description":"Lightweight embedded SSH client and server library for secure shell communication.","url":"https://junglewise.ai/threats/technologies/wolfssl-wolfssh"},"most_severe":[{"cve":"CVE-2026-84897","slug":"cve-2026-84897-src-internal-c-in-wolfssl-wolfssh-through-1-5-0-admits-the-server","title":"wolfSSL wolfSSH Diffie-Hellman group exchange message handling bypass","severity":"info","exploited":false,"published_at":"2026-10-07T03:17:00.067+00:00","url":"https://junglewise.ai/threats/cve-2026-84897-src-internal-c-in-wolfssl-wolfssh-through-1-5-0-admits-the-server"},{"cve":"CVE-2026-83742","slug":"cve-2026-83742-unsigned-integer-underflow-in-wstrncat-in-src-port-c-in-wolfssl","title":"wolfSSL wolfSSH unsigned integer underflow in wstrncat()","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.88+00:00","url":"https://junglewise.ai/threats/cve-2026-83742-unsigned-integer-underflow-in-wstrncat-in-src-port-c-in-wolfssl"},{"cve":"CVE-2026-83540","slug":"cve-2026-83540-when-password-or-public-key-authentication-is-used-with-the","title":"wolfSSL wolfSSHd Windows logon token release-of-resource vulnerability","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.73+00:00","url":"https://junglewise.ai/threats/cve-2026-83540-when-password-or-public-key-authentication-is-used-with-the"},{"cve":"CVE-2026-81535","slug":"cve-2026-81535-in-wolfssh-through-1-5-0-built-with-enable-fwd-dochannelopen-in","title":"wolfSSH forwarded-tcpip channel authorization bypass","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:59.567+00:00","url":"https://junglewise.ai/threats/cve-2026-81535-in-wolfssh-through-1-5-0-built-with-enable-fwd-dochannelopen-in"},{"cve":"CVE-2026-16516","slug":"cve-2026-16516-wolfssh-does-not-validate-that-the-ecdsa-curve-identifier-in-a","title":"wolfSSH ECDSA curve substitution in host key parsing","severity":"info","exploited":false,"published_at":"2026-10-07T03:16:58.83+00:00","url":"https://junglewise.ai/threats/cve-2026-16516-wolfssh-does-not-validate-that-the-ecdsa-curve-identifier-in-a"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}