What is CVE-2026-27694?

CVE-2026-27694 is a medium-severity vulnerability in Traccar, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-05.

How severe is CVE-2026-27694?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Traccar

CVE-2026-27694

Traccar is an open source GPS tracking system. In org.traccar:traccar versions starting at 6.11.1 before 6.13.0, the email notification templates insert user-controlled device, geofence, and driver names into HTML email output without prop…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Traccar — versions >= 6.11.1, < 6.13.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/traccar/traccar/security/advisories/GHSA-6hfr-mj4m-hrvv (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-27694?: CVE-2026-27694 is a medium-severity vulnerability in Traccar, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-05.
How severe is CVE-2026-27694?: Medium severity. CVSS v3 base score is 5.4 out of 10.