CVE-2026-33190
high
CVSS v3
7.5
CVSS v2
—
VIR risk
7.5
Description
CoreDNS has TSIG authentication bypass on DoT, DoH, DoH3, DoQ, and gRPC
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/coredns/coredns/security/advisories/GHSA-qhmp-q7xh-99rh
Vendor advisory: security-advisories@github.com — https://github.com/coredns/coredns/releases/tag/v1.14.3
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/coredns/coredns | <1.14.3 | 1.14.3 |
| GO | github.com/coredns/coredns | < 1.14.3 | 1.14.3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| coredns.io | coredns | {"endExcluding":"1.14.3"} | 1.14.3 |
References
CWEs
CWE-303
Verify integrity in audit chain (admin only). AS-IS.