CVE-2026-52686

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CVSS 3.1

3.7 low

EPSS

<1%p1

Published

Jul 23, 2026 (Jul 23, 2026)

Modified

Jul 23, 2026

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.

Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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