Security Advisory

CVE-2026-52686

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-23 08:03:37

Last updated 2026-07-23 13:56:55

Assigner OX

CVSS score 3.7

State PUBLISHED

Description

The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.

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