Dashboard / CVE-2026-33583

CVE-2026-33583

HIGH
MEDIUM Priority: 0.02 BB Relevance: 67/100
Published: 2026-05-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Changed
C: High
I: High
A: None

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 (1)

References & Advisories (1)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

8.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

EPSS — Exploitation Probability

0.21%
Raw Score 0.002080
Percentile 10.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00208
2026-10-28
0.00208

Intelligence Sources

nvd ref →

External Links