A critical error-based SQL injection vulnerability (CVE-2026-9082, CVSS 9.8) in Drupal Core allows attackers to exfiltrate database information via manipulated JSON:API filter parameters, exploiting PostgreSQL error messages. Affected versions include Drupal 8.9.0 through 10.4.9, 10.5.0 through 10.5.9, 10.6.0 through 10.6.8, 11.0.0 through 11.1.9, and 11.2.0 through 11.2.11. The issue is resolved in versions 10.4.10, 10.5.10, 10.6.9, 11.1.10, and 11.2.12.
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