CVE-2026-33609

Medium

Description

Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.

SeverityMedium
CVSS5.3
Exploit probability—
ProductPowerdns Authoritative
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-90CWE-90

How to fix

Update
  • powerdns authoritative4.9.14, 5.0.4 or later

Affected products

ProductAffected versionsFixed in
powerdns authoritative4.9.0 ≤ v < 4.9.14, 5.0.0 ≤ v < 5.0.44.9.14, 5.0.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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