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CVE-2026-33609 Details
Description
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
A vulnerability in PowerDNS exists due to incomplete escaping of LDAP queries when 8bit-dns is enabled. This flaw allows users to query internal domain subtrees, potentially leading to unauthorized information disclosure.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 22, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-05.html | [email protected] | Broken LinkVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-90 | Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| powerdns authoritative | >= 4.9.0, < 4.9.14 >= 5.0.0, < 5.0.4 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | Initial Analysis | [email protected] |
| Apr 22, 2026 | CVE Modified | CISA-ADP |
| Apr 22, 2026 | New CVE Received | [email protected] |