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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 0 LOW 2

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 2 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 1 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-295 Improper Certificate Validation 1 CWE-345 Insufficient Verification of Data Authenticity 1 CWE-347 Improper Verification of Cryptographic Signature 1

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Release: PowerDNS Recursor 5.2.12, 5.3.9, 5.4.4 × Clear all filters

TI-2026-37814 CVE-2026-52688 · GHSA-q3h2-8p56-9cg6

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

Priority LOW 38

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00176 · Published 2026-07-23 · Fixed in 5.2.12, 5.3.9 +1 CWE-295

TI-2026-37812 CVE-2026-52686 · GHSA-h7w8-vg64-36f2

Wildcard CNAME proof validation bypass

Priority LOW 17

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.

CVSS 3.1LOW 3.7· Network · No auth · No interaction · EPSS 0.00162 · Published 2026-07-23 · Fixed in 5.2.12, 5.3.9 +1 CWE-347

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