CVE-2026-33489

high
Published 2026-05-05 · Modified 2026-05-08
CVSS v3
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2
VIR risk
7.5

Description

CoreDNS' transfer stanza selection uses lexicographic compare (subzone ACL bypass)

Predictions

Exploit likelihood
83%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/coredns/coredns/security/advisories/GHSA-h8mm-c463-wjq3

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/coredns/coredns/releases/tag/v1.14.3

Package impact

EcosystemPackageVulnerableFixed
golang Gogithub.com/coredns/coredns<1.14.31.14.3
golang GOgithub.com/coredns/coredns< 1.14.31.14.3

Application impact

VendorProductVersionsFixed
coredns.iocoredns{"endExcluding":"1.14.3"}1.14.3

References

CWEs

CWE-863

Verify integrity in audit chain (admin only). AS-IS.