CVE-2026-33583
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.
Published:May 13, 2026
Last Modified:May 14, 2026
EPS:May 13, 2026
EPSS Score:0.00031
CVSS Score:8.7
Affected Products
Vendor
Product
Action
Vendor
Arqit
Product
Symmetric Key Agreement Platform
Arqit
Symmetric Key Agreement Platform
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
