{"schema_version":1,"title":"rustls-webpki (crates.io) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in rustls-webpki (crates.io): 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.","url":"https://junglewise.ai/threats/technologies/rustls-webpki","json_url":"https://junglewise.ai/threats/technologies/rustls-webpki.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-webpki","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":6,"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":3.1,"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":3.1,"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"},{"cvss":3,"slug":"rustsec-2023-0053-rustls-webpki-cpu-denial-of-service-in-certificate-c7a3ea6b","title":"RUSTSEC-2023-0053 - rustls-webpki: CPU denial of service in certificate path building","severity":"low","exploited":false,"published_at":"2023-08-22T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2023-0053-rustls-webpki-cpu-denial-of-service-in-certificate-c7a3ea6b"}],"weekly":[{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"surrealdb (crates.io)","slug":"surrealdb","vulnerabilities":118,"url":"https://junglewise.ai/threats/technologies/surrealdb"},{"name":"coreutils (crates.io)","slug":"crates-io-coreutils","vulnerabilities":44,"url":"https://junglewise.ai/threats/technologies/crates-io-coreutils"},{"name":"wasmtime (crates.io)","slug":"wasmtime","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/wasmtime"},{"name":"deno (crates.io)","slug":"deno","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/deno"},{"name":"zebrad (crates.io)","slug":"zebrad","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/zebrad"},{"name":"openssl-src (crates.io)","slug":"openssl-src","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/openssl-src"},{"name":"openssl (crates.io)","slug":"crates-io-openssl","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/crates-io-openssl"},{"name":"rustfs (crates.io)","slug":"rustfs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/rustfs"},{"name":"ckb (crates.io)","slug":"ckb","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/ckb"},{"name":"diesel (crates.io)","slug":"diesel","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/diesel"},{"name":"pyo3 (crates.io)","slug":"pyo3","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/pyo3"},{"name":"russh (crates.io)","slug":"crates-io-russh","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/crates-io-russh"}],"technology":{"hub":true,"name":"rustls-webpki (crates.io)","slug":"rustls-webpki","vendor":{"name":"crates.io","slug":"crates-io","url":"https://junglewise.ai/threats/vendors/crates-io"},"aliases":[],"homepage":"https://github.com/rustls/webpki","repo_url":"https://github.com/rustls/webpki","description":"A Rust library for validating X.509 certificates using the webpki-compliant subset of the format.","url":"https://junglewise.ai/threats/technologies/rustls-webpki"},"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":3.1,"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":3.1,"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":3,"slug":"rustsec-2023-0053-rustls-webpki-cpu-denial-of-service-in-certificate-c7a3ea6b","title":"RUSTSEC-2023-0053 - rustls-webpki: CPU denial of service in certificate path building","severity":"low","exploited":false,"published_at":"2023-08-22T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2023-0053-rustls-webpki-cpu-denial-of-service-in-certificate-c7a3ea6b"},{"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":"2026-09-28T03:07:00.154823+00:00"}