CVE-2026-12620: Microchip Gridtime 3000 Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The GridTime 3000 GNSS Time Server leaks the access token in the URL parameters of some endpoints. This issue affects GridTime 3000: from 1.0r0.03 through 1.1r0.0.

Affected products

• Microchip Gridtime 3000 Firmware: from 1.0r0.03, before 1.2r0.0 (fixed in 1.2r0.0)

Published 2026-06-19. Last modified 2026-07-09.