CVE-2026-12620

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductMicrochip Gridtime 3000 Firmware

PublishedJun 19, 2026

First seenJun 19, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

microchip gridtime_3000_firmware1.2r0.0 or later

Vendor advisories

microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-access-token-exposure

Affected products

Product	Affected versions	Fixed in
microchip gridtime_3000_firmware	1.0r0.03 ≤ v < 1.2r0.0	1.2r0.0

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