CVE-2026-52686

CVE-2026-52686CVE-2026-52686

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.

Scoring

CVSS 3.7 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Last modified2026-07-23
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.