CVE-2026-44930: Apache CXF: LDAP Injection vulnerability in XKMS LDAP Repository
An LDAP injection vulnerability in the LDAP Certificate repository of the XKMS server in Apache CXF may allow an attacker to retrieve arbitrary certificates from the repository.
Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.
Security readout for executives and security teams
Plain-English summary
Apache CXF deployments using the XKMS LDAP certificate repository may let a remote unauthenticated attacker query LDAP in unintended ways and retrieve certificates they should not access. The impact described is confidentiality loss, not system takeover or service outage.
Executive priority
Treat as high priority where XKMS LDAP certificate repository is deployed, especially externally reachable services. Scope first; patch confirmed affected systems promptly.
Technical view
CVE-2026-44930 is a CWE-90 LDAP injection in Apache CXF XKMS LDAP X.509 repository package org.apache.cxf.services.xkms:cxf-services-xkms-x509-repo-ldap. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, high confidentiality impact only.
Likely exposure
Exposure is likely limited to Apache CXF XKMS server deployments configured with the LDAP certificate repository. Generic Apache CXF use is not proven exposed by the provided sources.
Exploitation context
The CVSS vector supports remote unauthenticated exploitation without user interaction. The bundle does not cite KEV listing, active exploitation, public exploit code, or observed in-the-wild attacks.
Researcher notes
Evidence supports LDAP injection leading to arbitrary certificate retrieval. The provided affected-version data is sparse, so avoid broad CXF exposure claims beyond XKMS LDAP repository usage.
Mitigation direction
Upgrade Apache CXF to 4.2.1, 4.1.6, or 3.6.11.
Review Apache advisory guidance for version-specific applicability.
For Red Hat packages, review RHSA-2026:37390 applicability.
Prioritize systems exposing XKMS services to untrusted networks.
Validation and detection
Inventory applications using org.apache.cxf.services.xkms:cxf-services-xkms-x509-repo-ldap.
Confirm whether XKMS server LDAP certificate repository is enabled.
Compare deployed Apache CXF versions against fixed versions.
Check internet-facing and partner-facing routes for XKMS exposure.
Verify vendor advisories for downstream package status.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cwe · medium confidence lookup
CWE-90: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-90 · source CWE mapping
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.