CVE-2026-33609 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PowerDNS

Authoritative

unaffected

Version	Status	Constraints
`5.0.0`	affected	< 5.0.4
`4.9.0`	affected	< 4.9.14

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html

History

Wed, 22 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-90
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 22 Apr 2026 14:15:00 +0000

Type	Values Removed	Values Added
Description		Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Title		LDAP DN injection
References		https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: OX

Published: 2026-04-22T14:00:33.702Z

Updated: 2026-04-22T14:27:42.585Z

Reserved: 2026-03-23T12:58:38.267Z

Link: CVE-2026-33609

Vulnrichment

Updated: 2026-04-22T14:26:50.796Z

NVD

Status : Received

Published: 2026-04-22T14:16:54.770

Modified: 2026-04-22T15:16:13.990

Link: CVE-2026-33609

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-90

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