CVE-2026-81205 Drupal CVE debrief

Who should care

Defenders responsible for Drupal installations with the LDAP / Active Directory Integration module should assess exposure and prioritize patching, particularly for versions between 0.0.0 and 2.2.1.

Why it matters

CVE-2026-81205 is a MEDIUM-severity vulnerability in the Drupal LDAP / Active Directory Integration module, allowing for LDAP Injection attacks. Defenders should prioritize verifying and applying patches, assessing exposure, and updating inventory of affected systems.

• Verify and apply patches for the LDAP / Active Directory Integration module to prevent potential LDAP Injection attacks.
• Assess exposure in environments using the affected module versions to prioritize remediation efforts.
• Review and update inventory of affected systems to ensure accurate tracking and monitoring.

Technical summary

The Drupal LDAP / Active Directory Integration module is vulnerable to LDAP Injection due to improper neutralization of special elements used in an LDAP query. This issue affects versions from 0.0.0 to 2.2.1. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. Defenders should prioritize verifying and applying patches for the LDAP / Active Directory Integration module, particularly for versions between 0.0.0 and 2.2.1, and assess exposure in their environments. The CVE record and NVD detail page provide information on the LDAP Injection vulnerability in the Drupal LDAP / Active Directory Integration module.

Defensive priority

Defenders should prioritize verifying and applying patches for the LDAP / Active Directory Integration module, particularly for versions between 0.0.0 and 2.2.1, and assess exposure in their environments.

Recommended defensive actions

• Verify and apply patches for the LDAP / Active Directory Integration module, particularly for versions between 0.0.0 and 2.2.1.
• Assess exposure in environments using the affected module versions.
• Review and update inventory of affected systems.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and NVD detail page provide information on the LDAP Injection vulnerability in the Drupal LDAP / Active Directory Integration module. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.