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PowerDNS Authoritative CVE-2026-41999

| EUVD-2026-31262 MEDIUM
Improper Access Control (CWE-284)
2026-05-21 OX GHSA-f6hj-gwxc-95c3
4.8
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch available
May 21, 2026 - 11:01 EUVD
Analysis Generated
May 21, 2026 - 10:46 vuln.today

DescriptionNVD

Incorrect Behaviour of Views with TCP PROXY Requests

AnalysisAI

Incorrect view selection in PowerDNS Authoritative Server when processing TCP PROXY protocol requests exposes DNS records intended for a different network segment to remote unauthenticated attackers, producing both unauthorized information disclosure and limited integrity impact. Deployments running split-horizon DNS via the Views feature alongside TCP PROXY protocol support are the specific affected population. …

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Vendor StatusVendor

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CVE-2026-41999 vulnerability details – vuln.today

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