CVE-2025-35940: Gfi Archiver

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The ArchiverSpaApi ASP.NET application uses a hard-coded JWT signing key. An unauthenticated remote attacker can generate and use a verifiable JWT token to access protected ArchiverSpaApi URL endpoints.

Affected products

• Gfi Archiver: from 15.7, up to and including 15.8

Published 2025-06-10. Last modified 2026-06-17.