CVE-2026-33583
Arqit SKA-Platform Vulnerable to Key Exposure
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
13 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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 PlatformWant to know if your infrastructure is exposed to this?
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