Access Token Exposure in GridTime 3000 GNSS Time Server by Microchip
CVE-2026-12620

4.6MEDIUM

Key Information:

Vendor

Microchip

Status
Gridtime 3000
Vendor
CVE Published:
19 June 2026

What is CVE-2026-12620?

The GridTime 3000 GNSS Time Server has a security flaw that allows access tokens to be exposed in URL parameters across several endpoints. This vulnerability impacts versions 1.0r0.03 through 1.1r0.0, potentially compromising sensitive data and impacting the integrity of the time-serving communications.

Affected Version(s)

GridTime 3000 1.0r0.03 <= 1.1r0.0

References

https://www.microchip.com/en-us/solutions/technologies/em...
vendor-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.