CVE-2026-33583

—

CVSS 3.1

8.7 high

EPSS

<1%p11

Published

May 13, 2026 (May 13, 2026)

Modified

Jun 17, 2026

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: CWE-749
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news0 stories

No ingested article mentions this CVE yet.