CVE-2026-33609 | PowerDNS Authoritative up to 4.9.13/5.0.3 ldap injection
VulDBArchived Apr 22, 2026✓ Full text saved
A vulnerability was found in PowerDNS Authoritative up to 4.9.13/5.0.3 . It has been declared as problematic . This vulnerability affects unknown code. Executing a manipulation can lead to ldap injection. This vulnerability is handled as CVE-2026-33609 . The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.
Full text archived locally
✦ AI Summary· Claude Sonnet
VDB-358967 · CVE-2026-33609 · GCVE-0-2026-33609
POWERDNS AUTHORITATIVE UP TO 4.9.13/5.0.3 LDAP INJECTION
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.1 $0-$5k 0.50+
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.
Productinfo
Type
Domain Name Software
Vendor
PowerDNS
Name
Authoritative
Version
4.9.0
4.9.1
4.9.2
4.9.3
4.9.4
4.9.5
4.9.6
4.9.7
4.9.8
4.9.9
4.9.10
4.9.11
4.9.12
4.9.13
5.0.0
5.0.1
5.0.2
5.0.3
License
open-source
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
Vector Complexity Authentication Confidentiality Integrity Availability
Unlock Unlock Unlock Unlock Unlock Unlock
Unlock Unlock Unlock Unlock Unlock Unlock
Unlock Unlock Unlock Unlock Unlock Unlock
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
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day Unlock Unlock Unlock Unlock
Today Unlock Unlock Unlock Unlock
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
04/22/2026 +0 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
Entryinfo
Created: 04/22/2026 17:30
Changes: 04/22/2026 17:30 (63)
Complete: 🔍
Cache ID: 99:6E4:101
Discussion
No comments yet. Languages: en.
Please log in to comment.
◂ PreviousOverviewNext ▸