{"schema_version":1,"title":"CoreDNS vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 13 vulnerabilities in CoreDNS: 0 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86003, was published on 16 September 2026.","url":"https://junglewise.ai/threats/technologies/coredns","json_url":"https://junglewise.ai/threats/technologies/coredns.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/coredns","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":9,"all_time":13,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":5,"last_365_days":12},"latest":[{"cve":"CVE-2026-86003","cvss":7.5,"epss":0.0044,"slug":"cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc","title":"CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC listeners in p","severity":"high","exploited":false,"published_at":"2026-09-16T19:17:51.76+00:00","url":"https://junglewise.ai/threats/cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc"},{"cve":"CVE-2026-82399","cvss":7.5,"epss":0.0061,"slug":"cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3","title":"CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC request paths","severity":"high","exploited":false,"published_at":"2026-09-16T19:17:44.627+00:00","url":"https://junglewise.ai/threats/cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3"},{"cve":"CVE-2026-62994","cvss":3.7,"slug":"cve-2026-62994-coredns-panic-in-transfer-plugin-via-k8s-external-headless","title":"CoreDNS panic in transfer plugin via k8s_external headless services","severity":"low","exploited":false,"published_at":"2026-07-16T20:16:47.657+00:00","url":"https://junglewise.ai/threats/cve-2026-62994-coredns-panic-in-transfer-plugin-via-k8s-external-headless"},{"cve":"CVE-2026-62309","cvss":7.5,"slug":"cve-2026-62309-coredns-null-pointer-dereference-in-proxyproto-plugin","title":"CoreDNS NULL pointer dereference in proxyproto plugin","severity":"high","exploited":false,"published_at":"2026-07-16T20:16:47.03+00:00","url":"https://junglewise.ai/threats/cve-2026-62309-coredns-null-pointer-dereference-in-proxyproto-plugin"},{"cve":"CVE-2026-62299","cvss":5.3,"slug":"cve-2026-62299-coredns-null-pointer-dereference-in-rewrite-plugin","title":"CoreDNS NULL pointer dereference in rewrite plugin","severity":"medium","exploited":false,"published_at":"2026-07-16T20:16:46.693+00:00","url":"https://junglewise.ai/threats/cve-2026-62299-coredns-null-pointer-dereference-in-rewrite-plugin"},{"cve":"CVE-2026-35579","cvss":9.8,"epss":0.0075,"slug":"cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh","title":"CoreDNS TSIG authentication bypass in gRPC, QUIC, and DoH transports","severity":"critical","exploited":false,"published_at":"2026-05-05T21:16:22.247+00:00","url":"https://junglewise.ai/threats/cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh"},{"cve":"CVE-2026-33489","cvss":7.5,"epss":0.0042,"slug":"cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection","title":"CoreDNS incorrect authorization in transfer plugin ACL selection","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.627+00:00","url":"https://junglewise.ai/threats/cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection"},{"cve":"CVE-2026-33190","cvss":7.5,"epss":0.0053,"slug":"cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports","title":"CoreDNS tsig authentication bypass in encrypted transports","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.167+00:00","url":"https://junglewise.ai/threats/cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports"},{"cve":"CVE-2026-32936","cvss":7.5,"epss":0.0061,"slug":"cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests","title":"CoreDNS denial of service via oversized DoH GET requests","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.01+00:00","url":"https://junglewise.ai/threats/cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests"},{"cve":"CVE-2026-32934","cvss":7.5,"epss":0.0063,"slug":"cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server","title":"CoreDNS resource exhaustion in DNS-over-QUIC server","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:35.853+00:00","url":"https://junglewise.ai/threats/cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server"},{"cve":"CVE-2026-26018","cvss":7.5,"epss":0.0076,"slug":"cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin","title":"CoreDNS denial of service in loop detection plugin","severity":"high","exploited":false,"published_at":"2026-03-06T16:16:10.557+00:00","url":"https://junglewise.ai/threats/cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin"},{"cve":"CVE-2026-26017","cvss":7.7,"epss":0.0046,"slug":"cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order","title":"CoreDNS access control bypass via plugin execution order","severity":"high","exploited":false,"published_at":"2026-03-06T16:16:10.397+00:00","url":"https://junglewise.ai/threats/cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order"},{"cve":"CVE-2023-30464","cvss":3.7,"epss":0.0041,"slug":"cve-2023-30464-coredns-dns-cache-poisoning-via-birthday-attack","title":"CoreDNS DNS cache poisoning via birthday attack","severity":"low","exploited":false,"published_at":"2024-09-18T21:30:48+00:00","url":"https://junglewise.ai/threats/cve-2023-30464-coredns-dns-cache-poisoning-via-birthday-attack"}],"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":3},{"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":2},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"CoreDNS","slug":"coredns","vendor":{"name":"CoreDNS","slug":"coredns","url":"https://junglewise.ai/threats/vendors/coredns"},"aliases":[],"category":"network-service","homepage":"https://coredns.io/","repo_url":"https://github.com/coredns/coredns","description":"CoreDNS is a flexible, extensible DNS server that can serve as the Kubernetes cluster DNS.","url":"https://junglewise.ai/threats/technologies/coredns"},"most_severe":[{"cve":"CVE-2026-35579","cvss":9.8,"epss":0.0075,"slug":"cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh","title":"CoreDNS TSIG authentication bypass in gRPC, QUIC, and DoH transports","severity":"critical","exploited":false,"published_at":"2026-05-05T21:16:22.247+00:00","url":"https://junglewise.ai/threats/cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh"},{"cve":"CVE-2026-26017","cvss":7.7,"epss":0.0046,"slug":"cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order","title":"CoreDNS access control bypass via plugin execution order","severity":"high","exploited":false,"published_at":"2026-03-06T16:16:10.397+00:00","url":"https://junglewise.ai/threats/cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order"},{"cve":"CVE-2026-26018","cvss":7.5,"epss":0.0076,"slug":"cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin","title":"CoreDNS denial of service in loop detection plugin","severity":"high","exploited":false,"published_at":"2026-03-06T16:16:10.557+00:00","url":"https://junglewise.ai/threats/cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin"},{"cve":"CVE-2026-32934","cvss":7.5,"epss":0.0063,"slug":"cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server","title":"CoreDNS resource exhaustion in DNS-over-QUIC server","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:35.853+00:00","url":"https://junglewise.ai/threats/cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server"},{"cve":"CVE-2026-82399","cvss":7.5,"epss":0.0061,"slug":"cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3","title":"CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC request paths","severity":"high","exploited":false,"published_at":"2026-09-16T19:17:44.627+00:00","url":"https://junglewise.ai/threats/cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3"},{"cve":"CVE-2026-32936","cvss":7.5,"epss":0.0061,"slug":"cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests","title":"CoreDNS denial of service via oversized DoH GET requests","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.01+00:00","url":"https://junglewise.ai/threats/cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests"},{"cve":"CVE-2026-33190","cvss":7.5,"epss":0.0053,"slug":"cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports","title":"CoreDNS tsig authentication bypass in encrypted transports","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.167+00:00","url":"https://junglewise.ai/threats/cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports"},{"cve":"CVE-2026-86003","cvss":7.5,"epss":0.0044,"slug":"cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc","title":"CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC listeners in p","severity":"high","exploited":false,"published_at":"2026-09-16T19:17:51.76+00:00","url":"https://junglewise.ai/threats/cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc"},{"cve":"CVE-2026-33489","cvss":7.5,"epss":0.0042,"slug":"cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection","title":"CoreDNS incorrect authorization in transfer plugin ACL selection","severity":"high","exploited":false,"published_at":"2026-05-05T20:16:36.627+00:00","url":"https://junglewise.ai/threats/cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection"},{"cve":"CVE-2026-62309","cvss":7.5,"slug":"cve-2026-62309-coredns-null-pointer-dereference-in-proxyproto-plugin","title":"CoreDNS NULL pointer dereference in proxyproto plugin","severity":"high","exploited":false,"published_at":"2026-07-16T20:16:47.03+00:00","url":"https://junglewise.ai/threats/cve-2026-62309-coredns-null-pointer-dereference-in-proxyproto-plugin"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}