SEPTEMBER 25, 2026
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Case File

CVE-2026-33583

HIGH · CVSS 8.7 EPSS 0.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.7. See the original NVD description below for full technical details.

CVE
CVE-2026-33583
Severity
HIGH
CVSS
8.7
EPSS
0.21%

Original NVD 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.