# github.com/coredns/coredns (Go) vulnerabilities Source: https://junglewise.ai/threats/technologies/github-com-coredns-coredns Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/github-com-coredns-coredns.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 20 vulnerabilities in github.com/coredns/coredns (Go): 0 in the last 7 days and 2 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. Nothing in the last four weeks, down from 2 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 2 - All time: 20 (1 critical, 0 exploited in the wild) ## About github.com/coredns/coredns (Go) CoreDNS is a DNS server written in Go that integrates with Kubernetes and other cloud-native environments. ## Latest github.com/coredns/coredns (Go) vulnerabilities - [CVE-2026-86003: CoreDNS RFC 2136 UPDATE bypass in DoH/DoQ/gRPC](https://junglewise.ai/threats/cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc) (high, CVSS 7.5, published 16 Sep 2026) - [CVE-2026-82399: CoreDNS unauthenticated memory exhaustion in DoH, DoQ, and DoH3](https://junglewise.ai/threats/cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3) (high, CVSS 7.5, published 16 Sep 2026) - [CVE-2026-62994: CoreDNS panic in transfer plugin via k8s_external headless services](https://junglewise.ai/threats/cve-2026-62994-coredns-panic-in-transfer-plugin-via-k8s-external-headless) (low, CVSS 3.7, published 16 Jul 2026) - [CVE-2026-35579: CoreDNS TSIG authentication bypass in gRPC, QUIC, and DoH transports](https://junglewise.ai/threats/cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh) (critical, CVSS 9.8, published 5 May 2026) - [CVE-2026-33489: CoreDNS incorrect authorization in transfer plugin ACL selection](https://junglewise.ai/threats/cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-33190: CoreDNS tsig authentication bypass in encrypted transports](https://junglewise.ai/threats/cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-32936: CoreDNS denial of service via oversized DoH GET requests](https://junglewise.ai/threats/cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-32934: CoreDNS resource exhaustion in DNS-over-QUIC server](https://junglewise.ai/threats/cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-26018: CoreDNS denial of service in loop detection plugin](https://junglewise.ai/threats/cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin) (high, CVSS 7.5, published 6 Mar 2026) - [CVE-2026-26017: CoreDNS access control bypass via plugin execution order](https://junglewise.ai/threats/cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order) (high, CVSS 7.7, published 6 Mar 2026) - [CVE-2025-68151: CoreDNS gRPC/HTTPS/HTTP3 servers lack resource limits, enabling DoS via unbounded connections and oversized messages](https://junglewise.ai/threats/cve-2025-68151-coredns-grpc-https-http3-servers-lack-resource-limits-enabling) (high, CVSS 7.5, published 8 Jan 2026) - [CVE-2025-58063: GO-2025-3942 - CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion in github.com/coredns/coredns](https://junglewise.ai/threats/cve-2025-58063-coredns-dns-cache-pinning-via-etcd-lease-id-confusion) (low, CVSS 3.1, published 17 Sep 2025) - [CVE-2025-47950: GO-2025-3743 - CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification in github.com/coredns/coredns](https://junglewise.ai/threats/cve-2025-47950-coredns-vulnerable-to-doq-memory-exhaustion-via-stream) (low, CVSS 3.1, published 10 Jun 2025) - [CVE-2023-28452: GO-2024-3130 - CoreDNS vulnerable to TuDoor Attacks in github.com/coredns/coredns](https://junglewise.ai/threats/cve-2023-28452-coredns-vulnerable-to-tudoor-attacks) (low, CVSS 3.1, published 25 Sep 2024) - [CVE-2023-30464: CoreDNS DNS cache poisoning via birthday attack](https://junglewise.ai/threats/cve-2023-30464-coredns-dns-cache-poisoning-via-birthday-attack) (low, CVSS 3.7, published 18 Sep 2024) - [GO-2022-0368 - Improper random number generation in github.com/coredns/coredns](https://junglewise.ai/threats/go-2022-0368-improper-random-number-generation-in-github-com-coredns-52522844) (info, published 21 Aug 2024) - [CVE-2024-0874: GO-2024-2785 - CoreDNS may return invalid cache entries in github.com/coredns/coredns](https://junglewise.ai/threats/cve-2024-0874-coredns-may-return-invalid-cache-entries) (low, CVSS 3.1, published 4 Jun 2024) - [CVE-2022-2837: coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints](https://junglewise.ai/threats/cve-2022-2837-coredns-vulnerable-to-improper-restriction-of-communication) (low, CVSS 3.1, published 3 Mar 2023) - [CVE-2022-2835: coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints](https://junglewise.ai/threats/cve-2022-2835-coredns-vulnerable-to-improper-restriction-of-communication) (low, CVSS 3.1, published 3 Mar 2023) - [Improper random number generation in github.com/coredns/coredns](https://junglewise.ai/threats/improper-random-number-generation-in-github-com-coredns-coredns-7603c21a) (info, published 1 Mar 2022) ## Most severe github.com/coredns/coredns (Go) vulnerabilities - [CVE-2026-35579: CoreDNS TSIG authentication bypass in gRPC, QUIC, and DoH transports](https://junglewise.ai/threats/cve-2026-35579-coredns-tsig-authentication-bypass-in-grpc-quic-and-doh) (critical, CVSS 9.8, published 5 May 2026) - [CVE-2026-26017: CoreDNS access control bypass via plugin execution order](https://junglewise.ai/threats/cve-2026-26017-coredns-access-control-bypass-via-plugin-execution-order) (high, CVSS 7.7, published 6 Mar 2026) - [CVE-2026-26018: CoreDNS denial of service in loop detection plugin](https://junglewise.ai/threats/cve-2026-26018-coredns-denial-of-service-in-loop-detection-plugin) (high, CVSS 7.5, published 6 Mar 2026) - [CVE-2026-32934: CoreDNS resource exhaustion in DNS-over-QUIC server](https://junglewise.ai/threats/cve-2026-32934-coredns-resource-exhaustion-in-dns-over-quic-server) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-82399: CoreDNS unauthenticated memory exhaustion in DoH, DoQ, and DoH3](https://junglewise.ai/threats/cve-2026-82399-coredns-unauthenticated-memory-exhaustion-in-doh-doq-and-doh3) (high, CVSS 7.5, published 16 Sep 2026) - [CVE-2026-32936: CoreDNS denial of service via oversized DoH GET requests](https://junglewise.ai/threats/cve-2026-32936-coredns-denial-of-service-via-oversized-doh-get-requests) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-33190: CoreDNS tsig authentication bypass in encrypted transports](https://junglewise.ai/threats/cve-2026-33190-coredns-tsig-authentication-bypass-in-encrypted-transports) (high, CVSS 7.5, published 5 May 2026) - [CVE-2025-68151: CoreDNS gRPC/HTTPS/HTTP3 servers lack resource limits, enabling DoS via unbounded connections and oversized messages](https://junglewise.ai/threats/cve-2025-68151-coredns-grpc-https-http3-servers-lack-resource-limits-enabling) (high, CVSS 7.5, published 8 Jan 2026) - [CVE-2026-86003: CoreDNS RFC 2136 UPDATE bypass in DoH/DoQ/gRPC](https://junglewise.ai/threats/cve-2026-86003-coredns-rfc-2136-update-bypass-in-doh-doq-grpc) (high, CVSS 7.5, published 16 Sep 2026) - [CVE-2026-33489: CoreDNS incorrect authorization in transfer plugin ACL selection](https://junglewise.ai/threats/cve-2026-33489-coredns-incorrect-authorization-in-transfer-plugin-acl-selection) (high, CVSS 7.5, published 5 May 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 2 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 2 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Go technologies - [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities - [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities - [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities - [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities - [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities - [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities - [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities - [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities - [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities - [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities - [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities - [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/coredns/coredns (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-coredns-coredns, 13 November 2026.