CVE-2026-123592

MediumCVSS 5.9/10Last modified Nov 12, 2026

Description

The hickory-net crate in Hickory DNS 0.26.0-beta.1 before 0.26.2 allows DNSSEC validation bypass because Name's Hash ignores label lengths and ValidationCacheKey compares only that hash. An attacker controlling an unsigned delegation whose name differs from a signed target only in dot positions can prime an Insecure verdict, causing forged answers for the target to skip signature verification instead of returning SERVFAIL.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 8, 2026
Last modified
Nov 12, 2026
NVD status
Deferred

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CVE-2026-123592: Medium severity, CVSS 5.9 | Vulnix