CVE-2026-33583 json
Arqit SKA-Platform Vulnerable to Key Exposure
published 5mo ago modified 14d ago also EUVD-2026-30113
- cvss
- 8.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Arqit Symmetric Key Agreement Platform 26.03
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
Affected products
- Arqit Symmetric Key Agreement Platform
Classification
- Weakness
-
- CWE-749 Exposed Dangerous Method or Function
References
-
cvcn.gov.it
/cvcn/cve/CVE-2026-33583
third-party-advisory
Sources
- CVE List CVE-2026-33583
- NVD CVE-2026-33583
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