{"schema_version":1,"title":"Rustls vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Rustls: 0 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-2026-93602, was published on 18 September 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/rustls","json_url":"https://junglewise.ai/threats/vendors/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/vendors/rustls","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":1,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":4,"last_90_days":4,"last_365_days":5},"latest":[{"cve":"CVE-2026-93602","cvss":4.4,"epss":0.0021,"slug":"cve-2026-93602-rustls-webpki-crl-distribution-point-matching-bypass","title":"rustls-webpki CRL distribution point matching bypass","severity":"medium","exploited":false,"published_at":"2026-09-18T14:19:11.85+00:00","url":"https://junglewise.ai/threats/cve-2026-93602-rustls-webpki-crl-distribution-point-matching-bypass"},{"cve":"CVE-2026-93601","cvss":2.2,"epss":0.0018,"slug":"cve-2026-93601-rustls-webpki-name-constraint-bypass-for-wildcard-certificates","title":"rustls-webpki name constraint bypass for wildcard certificates","severity":"low","exploited":false,"published_at":"2026-09-18T14:19:11.707+00:00","url":"https://junglewise.ai/threats/cve-2026-93601-rustls-webpki-name-constraint-bypass-for-wildcard-certificates"},{"cve":"CVE-2026-93600","cvss":2.2,"epss":0.0018,"slug":"cve-2026-93600-rustls-webpki-x-509-name-constraint-bypass-for-uri-names","title":"rustls-webpki X.509 name constraint bypass for URI names","severity":"low","exploited":false,"published_at":"2026-09-18T14:19:11.563+00:00","url":"https://junglewise.ai/threats/cve-2026-93600-rustls-webpki-x-509-name-constraint-bypass-for-uri-names"},{"cve":"CVE-2026-93599","cvss":7.5,"epss":0.0049,"slug":"cve-2026-93599-rustls-webpki-integer-underflow-in-bit-string-parsing","title":"rustls-webpki integer underflow in BIT STRING parsing","severity":"high","exploited":false,"published_at":"2026-09-18T14:19:11.41+00:00","url":"https://junglewise.ai/threats/cve-2026-93599-rustls-webpki-integer-underflow-in-bit-string-parsing"},{"cvss":2.2,"slug":"rustls-webpki-improper-certificate-validation-of-wildcard-name-f7fe9e02","title":"rustls webpki improper certificate validation of wildcard name constraints","severity":"low","exploited":false,"published_at":"2026-04-16T21:17:12+00:00","url":"https://junglewise.ai/threats/rustls-webpki-improper-certificate-validation-of-wildcard-name-f7fe9e02"}],"vendor":{"hub":true,"name":"Rustls","slug":"rustls","url":"https://junglewise.ai/threats/vendors/rustls"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"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":4},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-93599","cvss":7.5,"epss":0.0049,"slug":"cve-2026-93599-rustls-webpki-integer-underflow-in-bit-string-parsing","title":"rustls-webpki integer underflow in BIT STRING parsing","severity":"high","exploited":false,"published_at":"2026-09-18T14:19:11.41+00:00","url":"https://junglewise.ai/threats/cve-2026-93599-rustls-webpki-integer-underflow-in-bit-string-parsing"},{"cve":"CVE-2026-93602","cvss":4.4,"epss":0.0021,"slug":"cve-2026-93602-rustls-webpki-crl-distribution-point-matching-bypass","title":"rustls-webpki CRL distribution point matching bypass","severity":"medium","exploited":false,"published_at":"2026-09-18T14:19:11.85+00:00","url":"https://junglewise.ai/threats/cve-2026-93602-rustls-webpki-crl-distribution-point-matching-bypass"},{"cve":"CVE-2026-93601","cvss":2.2,"epss":0.0018,"slug":"cve-2026-93601-rustls-webpki-name-constraint-bypass-for-wildcard-certificates","title":"rustls-webpki name constraint bypass for wildcard certificates","severity":"low","exploited":false,"published_at":"2026-09-18T14:19:11.707+00:00","url":"https://junglewise.ai/threats/cve-2026-93601-rustls-webpki-name-constraint-bypass-for-wildcard-certificates"},{"cve":"CVE-2026-93600","cvss":2.2,"epss":0.0018,"slug":"cve-2026-93600-rustls-webpki-x-509-name-constraint-bypass-for-uri-names","title":"rustls-webpki X.509 name constraint bypass for URI names","severity":"low","exploited":false,"published_at":"2026-09-18T14:19:11.563+00:00","url":"https://junglewise.ai/threats/cve-2026-93600-rustls-webpki-x-509-name-constraint-bypass-for-uri-names"},{"cvss":2.2,"slug":"rustls-webpki-improper-certificate-validation-of-wildcard-name-f7fe9e02","title":"rustls webpki improper certificate validation of wildcard name constraints","severity":"low","exploited":false,"published_at":"2026-04-16T21:17:12+00:00","url":"https://junglewise.ai/threats/rustls-webpki-improper-certificate-validation-of-wildcard-name-f7fe9e02"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"Rustls Webpki","slug":"webpki","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/webpki"}]}