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 proper escaping. An attacker with low privileges can store crafted HTML in these fields, which is then rendered in notification emails sent to other users with access to the affected devices. This can lead to phishing or spoofed email content. This issue is fixed in version 6.13.0.

• CWE-79

• https://github.com/traccar/traccar/security/advisories/GHSA-6hfr-mj4m-hrvvExploit, Mitigation, Vendor Advisory
• https://github.com/traccar/traccar/security/advisories/GHSA-6hfr-mj4m-hrvvExploit, Mitigation, Vendor Advisory

Published

May 5, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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