CVE-2026-33584: Arqit Symmetric Key Agreement Platform

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Exposed Keycloak management service in the Arqit Symmetric Key Agreement Platform enables unauthorized access to sensitive debug information such as metrics and health data. This issue affects Symmetric Key Agreement Platform: before 26.03.

Affected products

• Arqit Symmetric Key Agreement Platform: before 26.03 (fixed in 26.03)

Published 2026-05-13. Last modified 2026-06-17.