Is CVE-2026-108738 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-108738 being exploited in the wild.

How severe is CVE-2026-108738?

Medium severity, with a CVSS score of 4.2, published 11 October 2026.

Is there a fix for CVE-2026-108738?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-108738 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-108738?

Check whether you run Traccar at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-108738: Traccar CSRF vulnerability in OpenID Connect authentication

CVE-2026-108738 · Severity: medium · CVSS 4.2 · Published 2026-10-11

Traccar is an open-source GPS tracking platform used to manage vehicle fleets and device locations. A cross-site request forgery flaw in its OpenID Connect login allows attackers to trick victims into logging into attacker-controlled accounts, potentially causing tracked devices, location data, and other configuration to be registered under the attacker's control instead of the victim's.

Technologies: Traccar. Vendors: Traccar.

Quick answers

Is CVE-2026-108738 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-108738 being exploited in the wild.
How severe is CVE-2026-108738?: Medium severity, with a CVSS score of 4.2, published 11 October 2026.
Which products and versions are affected?: Traccar 5.7 through 6.16.0.
Is there a fix for CVE-2026-108738?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-108738 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-108738?: Check whether you run Traccar at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability exists in the OpenID Connect callback handler (/api/session/openid/callback) in Traccar versions 5.7 through 6.16.0, which fails to validate the OAuth state parameter. An attacker can craft a malicious request with a victim's authorization code, causing the victim's browser to authenticate as the attacker's account. No special privileges or user interaction is required beyond inducing the victim to visit a malicious link.

Affected products

Traccar Traccar 5.7 through 6.16.0

Timeline

2026-10-11: disclosed

References

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