VULNERABILITY INTELLIGENCE
CVE-2026-33583
CVSS score8.7 HIGH
EPSS probability0.21%
CISA KEVNot currently listed
Published2026-05-13
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Description
Exposure of the QKEY (used as input into the ‘OTA-Quantum’ device registration process) and internal system keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform. This issue affects Symmetric Key Agreement Platform: before 26.03.
Weakness classification
- a6d3dc9e-0591-4a13-bce7-0f5b31ff6158: CWE-749