CVE-2026-33583

HIGH EPSS 10.9%
Published May 13, 20261mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 3.1
High
Find Similar
Published May 13, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.7
Exploitability
2.2
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-749

References 1

  • cvcn.gov.it https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.