CVE-2026-23906
9.8 · CRITICALOverview
CVE-2026-23906 is a critical-severity vulnerability affecting apache druid. It was published on February 10, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Affected Products and Versions
* Apache Druid
* Affected Versions: 0.17.0 through 35.x (all versions prior to 36.0.0)
* Prerequisites: * druid-basic-security extension enabled
* LDAP authenticator configured
* Underlying LDAP server permits anonymous bind
Vulnerability Description
An authentication bypass vulnerability exists in Apache Druid when using the druid-basic-security extension with LDAP authentication. If the underlying LDAP server is configured to allow anonymous
binds, an attacker can bypass authentication by providing an existing username with an empty password. This allows unauthorized access to otherwise restricted Druid resources without valid credentials.
The vulnerability stems from improper validation of LDAP authentication responses when anonymous binds are permitted, effectively treating anonymou
Remediation
Check the references section for vendor advisories and patches from apache. Update druid to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | druid | >= 0.17.0, < 36.0.0 | Affected |
Frequently Asked Questions
What is CVE-2026-23906?
CVE-2026-23906 is a critical-severity vulnerability affecting apache druid. It was published on February 10, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2026-23906?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-23906?
Check the references section for vendor advisories and patches from apache. Update druid to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-23906?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-23906 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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