{"id":"CVE-2026-123593","title":"Hickory DNS 0.26.0-beta.1 before 0.26.2 DNSSEC Validation Bypass via TrustAnchors","summary":"Hickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto 0.24.0 through 0.26.0-alpha.1 compare DNSKEY public keys against DNSSEC trust anchors without checking the DNSKEY record name, so an RRset made up only of trusted keys…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-1023"],"vendor":"hickory-dns","product":"hickory-dns","affected":["hickory-dns >= 0.26.0-beta.1 < 0.26.2","hickory-dns >= 0.24.0 <= 0.26.0-alpha.1"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T01:38:23.719Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123593","references":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-j2rc-wxwh-62g9","label":"GitHub Security Advisory (GHSA-j2rc-wxwh-62g9)"},{"url":"https://www.vulncheck.com/advisories/hickory-dns-0.26.0-beta.1-before-0.26.2-dnssec-validation-bypass-via-trustanchors","label":"VulnCheck Advisory: Hickory DNS 0.26.0-beta.1 before 0.26.2 DNSSEC Validation Bypass via TrustAnchors"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T02:43:18.647Z","slug":"CVE-2026-123593","body":"## Overview\n\nHickory DNS hickory-net 0.26.0-beta.1 before 0.26.2 and hickory-proto 0.24.0 through 0.26.0-alpha.1 compare DNSKEY public keys against DNSSEC trust anchors without checking the DNSKEY record name, so an RRset made up only of trusted keys is accepted without RRSIG verification. Attackers able to spoof or control name server responses can replace a secure zone's DNSKEY RRset with the root zone's keys, and use a large TTL to keep it cached.\n\n## Affected\n\n- `hickory-dns >= 0.26.0-beta.1 < 0.26.2`\n- `hickory-dns >= 0.24.0 <= 0.26.0-alpha.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}