CVE-2026-33609
LDAP Injection in Open-Xchange with 8bit-dns Enables Internal Query Access
Publication date: 2026-04-22
Last updated on: 2026-04-24
Assigner: Open-Xchange
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| powerdns | authoritative | From 4.9.0 (inc) to 4.9.14 (exc) |
| powerdns | authoritative | From 5.0.0 (inc) to 5.0.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves incomplete escaping of LDAP queries when the system is running with 8bit-dns enabled. This flaw allows users to perform queries on internal domain subtrees that they should not normally have access to.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing unauthorized users to query internal domain subtrees, potentially exposing sensitive internal directory information. According to the CVSS score, it has a moderate impact on confidentiality (high impact on confidentiality), but does not affect integrity or availability.