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TI-2026-25966 Aliases CVE-2026-33583GHSA-p8mh-jv2c-p65g

Arqit SKA-Platform Vulnerable to Key Exposure

Priority LOW 39CWE-749Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 10th percentileScored 2026-11-07
Fix Fixed Symmetric Key Agreement Platform (Arqit): 26.03

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ArqitSymmetric Key Agreement Platformbefore 26.0326.03Patch availableCNA
  • Symmetric Key Agreement Platform VendorArqit Affected before 26.03 Fixed in 26.03 Patch available CNA

Remediation

  • Fix · CNA Symmetric Key Agreement Platform (Arqit) Fixed in 26.03

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Arqit Symmetric Key Agreement Platform 26.03

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-25967 Arqit SKA-Platform Enables Access to Debug InformationPriority LOW 30
    • TI-2026-25968 Arqit SKA-Platform Improper Handling of Parameters VulnerabilityPriority LOW 17
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-33583
  2. 2026-10-03 Alias added: GHSA-p8mh-jv2c-p65g
  3. 2026-10-25 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2026-25967 Arqit SKA-Platform Enables Access to Debug Information CVSS 3.1MEDIUM 5.3
  • TI-2026-25968 Arqit SKA-Platform Improper Handling of Parameters Vulnerability CVSS 3.1LOW 3.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences