CVE-2026-12620

Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server

CVSS 4.6 MEDIUMEPSS 0.2%CWE-200

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.6EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

19 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A

Affected products

Microchip · GridTime 3000

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References

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