CVE-2026-82266

Redpanda through 26.2.2 binds the Admin API to 0.0.0.0:9644 with admin_api_require_auth defaulting to false, treating unauthenticated requests as superusers. Attackers can reach port 9644 without credentials to create and delete broker accounts, modify cluster configuration, and disrupt partition replication.

  • Published Aug 28, 2026
  • CVSS 9.3 critical
  • 0.6% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-82266 at the National Vulnerability Database