PowerDNS Authoritative up to 4.9.13/5.0.3 ldap injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in PowerDNS Authoritative up to 4.9.13/5.0.3. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to ldap injection. This vulnerability is uniquely identified as CVE-2026-33609. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PowerDNS Authoritative up to 4.9.13/5.0.3. This issue affects an unknown function. The manipulation with an unknown input leads to a ldap injection vulnerability. Using CWE to declare the problem leads to CWE-90. The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component. Impacted is confidentiality. The summary by CVE is:

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

The weakness was disclosed by ylwango613. It is possible to read the advisory at docs.powerdns.com. The identification of this vulnerability is CVE-2026-33609 since 03/23/2026. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

Upgrading to version 4.9.14 or 5.0.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1236). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source PowerDNS

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Ldap injection
CWE: CWE-90 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Authoritative 4.9.14/5.0.4

Timelineinfo

03/23/2026 CVE reserved
04/22/2026 +29 days Advisory disclosed
04/22/2026 +0 days VulDB entry created
04/23/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: docs.powerdns.com
Researcher: ylwango613
Status: Confirmed

CVE: CVE-2026-33609 (🔒)
GCVE (CVE): GCVE-0-2026-33609
GCVE (VulDB): GCVE-100-358967
CERT Bund: WID-SEC-2026-1236 - PowerDNS: Mehrere Schwachstellen

Entryinfo

Created: 04/22/2026 17:30
Updated: 04/23/2026 12:05
Changes: 04/22/2026 17:30 (63), 04/23/2026 12:05 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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