CVE-2026-33583
Arqit SKA-Platform Vulnerable to Key Exposure
- State
- Published
- Severity
- 8.7 High
- Published
- May 13, 2026
- Updated
- May 13, 2026
- Reserved
- Mar 23, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.7 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N | ENISA |
Weaknesses
- CWE-749 Exposed dangerous method or function
Affected Products
| Product | Versions |
|---|---|
Symmetric Key Agreement PlatformArqit |
|
References
- https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583third-party-advisory
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