CVE-2023-36647: Prolion Cryptospike

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A hard-coded cryptographic private key used to sign JWT authentication tokens in ProLion CryptoSpike 3.0.15P2 allows remote attackers to impersonate arbitrary users and roles in web management and REST API endpoints via crafted JWT tokens.

Affected products

• Prolion Cryptospike: version 3.0.15 only

Published 2023-12-12. Last modified 2026-06-17.