{"schema_version":1,"title":"Rustls vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Rustls: 2 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123613, was published on 8 November 2026. 3 vulnerabilities in the last four weeks, up 200% on the four before (1).","url":"https://junglewise.ai/threats/technologies/rustls-rustls","json_url":"https://junglewise.ai/threats/technologies/rustls-rustls.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/rustls-rustls","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":4,"critical":0,"exploited":0,"last_7_days":2,"last_30_days":3,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-123613","cvss":5.3,"slug":"cve-2026-123613-rustls-from-0-23-13-before-0-23-45-accepts-tls-1-3-handshake","title":"Rustls TLS 1.3 handshake message encryption level bypass","severity":"medium","exploited":false,"published_at":"2026-11-08T02:16:56.78+00:00","url":"https://junglewise.ai/threats/cve-2026-123613-rustls-from-0-23-13-before-0-23-45-accepts-tls-1-3-handshake"},{"cve":"CVE-2026-123609","cvss":4,"slug":"cve-2026-123609-rustls-before-0-23-46-and-0-24-0-dev-1-before-0-24-0-dev-2","title":"Rustls session Debug formatting exposes TLS secret keys","severity":"medium","exploited":false,"published_at":"2026-11-08T02:16:56.083+00:00","url":"https://junglewise.ai/threats/cve-2026-123609-rustls-before-0-23-46-and-0-24-0-dev-1-before-0-24-0-dev-2"},{"cvss":4,"slug":"rustls-session-debug-formatting-exposes-tls-master-secrets-and-6519d2da","title":"Rustls client session debug formatting information disclosure","severity":"medium","exploited":false,"published_at":"2026-10-27T16:08:47+00:00","url":"https://junglewise.ai/threats/rustls-session-debug-formatting-exposes-tls-master-secrets-and-6519d2da"},{"cvss":5.3,"slug":"rustls-tls-1-3-handshake-messages-incorrectly-accepted-across-4eccbdca","title":"Rustls TLS 1.3 handshake message validation bypass across encryption levels","severity":"medium","exploited":false,"published_at":"2026-10-05T23:30:17+00:00","url":"https://junglewise.ai/threats/rustls-tls-1-3-handshake-messages-incorrectly-accepted-across-4eccbdca"}],"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":1},{"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":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Rustls Webpki","slug":"webpki","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/webpki"}],"technology":{"hub":true,"name":"Rustls","slug":"rustls-rustls","vendor":{"hub":true,"name":"Rustls","slug":"rustls","url":"https://junglewise.ai/threats/vendors/rustls"},"aliases":[],"category":"library","homepage":"https://www.rustls.org/","description":"Transport Layer Security library for Rust providing TLS/SSL cryptographic protocol implementation.","url":"https://junglewise.ai/threats/technologies/rustls-rustls"},"most_severe":[{"cve":"CVE-2026-123613","cvss":5.3,"slug":"cve-2026-123613-rustls-from-0-23-13-before-0-23-45-accepts-tls-1-3-handshake","title":"Rustls TLS 1.3 handshake message encryption level bypass","severity":"medium","exploited":false,"published_at":"2026-11-08T02:16:56.78+00:00","url":"https://junglewise.ai/threats/cve-2026-123613-rustls-from-0-23-13-before-0-23-45-accepts-tls-1-3-handshake"},{"cvss":5.3,"slug":"rustls-tls-1-3-handshake-messages-incorrectly-accepted-across-4eccbdca","title":"Rustls TLS 1.3 handshake message validation bypass across encryption levels","severity":"medium","exploited":false,"published_at":"2026-10-05T23:30:17+00:00","url":"https://junglewise.ai/threats/rustls-tls-1-3-handshake-messages-incorrectly-accepted-across-4eccbdca"},{"cve":"CVE-2026-123609","cvss":4,"slug":"cve-2026-123609-rustls-before-0-23-46-and-0-24-0-dev-1-before-0-24-0-dev-2","title":"Rustls session Debug formatting exposes TLS secret keys","severity":"medium","exploited":false,"published_at":"2026-11-08T02:16:56.083+00:00","url":"https://junglewise.ai/threats/cve-2026-123609-rustls-before-0-23-46-and-0-24-0-dev-1-before-0-24-0-dev-2"},{"cvss":4,"slug":"rustls-session-debug-formatting-exposes-tls-master-secrets-and-6519d2da","title":"Rustls client session debug formatting information disclosure","severity":"medium","exploited":false,"published_at":"2026-10-27T16:08:47+00:00","url":"https://junglewise.ai/threats/rustls-session-debug-formatting-exposes-tls-master-secrets-and-6519d2da"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}