The US Cybersecurity and Infrastructure Security Agency issued an urgent directive ordering federal agencies to patch a critical Drupal vulnerability that attackers are already exploiting in real-world attacks.
The flaw affects Drupal websites running PostgreSQL databases and could allow attackers to execute malicious SQL commands remotely. Security researchers warned that successful exploitation may lead to data theft, privilege escalation, or full system compromise.
CISA added the vulnerability to its Known Exploited Vulnerabilities catalog after researchers confirmed active attacks targeting exposed systems.
Vulnerability Allows Unauthenticated Attacks
Researchers identified the Drupal vulnerability as CVE-2026-9082, a critical SQL injection flaw affecting Drupal Core installations that use PostgreSQL databases.
According to security advisories, attackers can exploit the flaw remotely without authentication by sending specially crafted requests to vulnerable systems.
Researchers warned that successful exploitation may allow attackers to:
- Execute malicious SQL commands
- Access sensitive information
- Escalate privileges
- Compromise backend databases
- Achieve remote code execution
The vulnerability reportedly affects a protection mechanism responsible for sanitizing database queries inside Drupal.
Exploitation Started Quickly After Disclosure
Security researchers observed exploitation attempts shortly after Drupal released security patches in May 2026. The advisory was later updated to confirm that attackers were actively exploiting vulnerable systems online.
Researchers reported more than 15,000 attack attempts targeting thousands of Drupal websites across dozens of countries within only a few days of disclosure.
Investigators said organizations in the financial and gaming sectors accounted for a large portion of the observed targeting activity. Researchers also warned that attackers currently appear focused on reconnaissance and vulnerability validation before launching larger compromise campaigns.
CISA Issued an Urgent Remediation Deadline
CISA ordered Federal Civilian Executive Branch agencies to secure affected systems under Binding Operational Directive 22-01. The agency stated that vulnerabilities added to the Known Exploited Vulnerabilities catalog require immediate attention because attackers already use them in active operations.
The directive highlights the growing pressure on organizations to patch internet-facing systems quickly after vulnerability disclosure.
Security experts also urged private organizations running Drupal environments to install available security updates immediately, especially on systems connected to PostgreSQL databases.
Drupal Remains a Common Target
Drupal powers thousands of enterprise, government, education, and media websites worldwide. Because of its widespread adoption, critical vulnerabilities inside the platform often attract rapid interest from cybercriminal groups and automated attack campaigns.
Researchers warned that attackers routinely scan the internet for unpatched Drupal systems within hours of public security advisories.
Previous Drupal vulnerabilities have also triggered large-scale exploitation campaigns that compromised exposed servers before organizations applied patches.
Conclusion
The actively exploited Drupal vulnerability has triggered urgent warnings from CISA and cybersecurity researchers worldwide. Investigators already observed thousands of attack attempts targeting exposed Drupal systems shortly after disclosure. Security experts believe organizations using affected Drupal environments should prioritize patch deployment immediately to reduce the risk of compromise.
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