GO-2026-5583

vendorUSosv

CoreDNS has TSIG authentication bypass on DoT, DoH, DoH3, DoQ, and gRPC in github.com/coredns/coredns

view advisory published 2026-06-25Licence: per source

CoreDNS has TSIG authentication bypass on DoT, DoH, DoH3, DoQ, and gRPC in github.com/coredns/coredns

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-33190UShigh7.5—
CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the tsig plugin can be bypassed on non-plain-DNS transports (DoT, DoH, DoH3, DoQ, and gRPC) because it tru…
02

references

External citations — patches, advisories, analysis.

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