Vulnerability · Published Jun 19, 2026 · Assigned by Microchip
CVE-2026-12620Access Token Exposure in URL Parameters in GridTime™ 3000 GNSS Time Server
Medium 4.6
In plain English
A medium-severity information exposure in GridTime 3000 from Microchip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 4.0)4.6Medium
Exploit odds (30 days)0.4%top 67.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microchip | GridTime 3000 | 1.0r0.03 – through 1.1r0.0 |
Weakness: CWE-200 · Vector: 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