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Vulnerability Details :

CVE-2026-33583

Summary
Assigner-ENISA
Assigner Org ID-a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At-13 May, 2026 | 18:19
Updated At-13 May, 2026 | 18:57
Rejected At-
Credits

Arqit SKA-Platform Vulnerable to Key Exposure

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:ENISA
Assigner Org ID:a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At:13 May, 2026 | 18:19
Updated At:13 May, 2026 | 18:57
Rejected At:
▼CVE Numbering Authority (CNA)
Arqit SKA-Platform Vulnerable to Key Exposure

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.

Affected Products
Vendor
Arqit
Product
Symmetric Key Agreement Platform
Default Status
unaffected
Versions
Affected
  • From 0 before 26.03 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-749CWE-749 Exposed dangerous method or function
Type: CWE
CWE ID: CWE-749
Description: CWE-749 Exposed dangerous method or function
Metrics
VersionBase scoreBase severityVector
3.18.7HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Version: 3.1
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583
third-party-advisory
Hyperlink: https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published At:13 May, 2026 | 19:17
Updated At:14 May, 2026 | 17:07

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.7HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-749Secondarya6d3dc9e-0591-4a13-bce7-0f5b31ff6158
CWE ID: CWE-749
Type: Secondary
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
N/A
Hyperlink: https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583
Source: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Resource: N/A

Change History

0
Information is not available yet

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