Is CVE-2026-8194 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-8194 being exploited in the wild.

How severe is CVE-2026-8194?

Medium severity, with a CVSS score of 4.3, published 9 May 2026.

Which products and versions are affected?

osTicket osTicket up to 1.18.3.

Is there a fix for CVE-2026-8194?

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-2026-8194 attacked?

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

Am I affected by CVE-2026-8194?

Check whether anything you run is named in the advisory. 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-2026-8194: osTicket CSRF bypass in Dispatcher via method override

CVE-2026-8194 · Severity: medium · CVSS 4.3 · Published 2026-05-09

osTicket is an open-source customer support ticket system. A security flaw allows an attacker to trick a staff member's browser into performing unauthorized actions, such as deleting notes or tickets, simply by having the staff member view a malicious ticket or image. This could lead to unauthorized data modification or loss of administrative records.

Quick answers

Is CVE-2026-8194 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-8194 being exploited in the wild.
How severe is CVE-2026-8194?: Medium severity, with a CVSS score of 4.3, published 9 May 2026.
Which products and versions are affected?: osTicket osTicket up to 1.18.3.
Is there a fix for CVE-2026-8194?: 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-2026-8194 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-8194?: Check whether anything you run is named in the advisory. 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

A Cross-Site Request Forgery (CSRF) vulnerability exists in osTicket up to version 1.18.3 due to a bypass in the Dispatcher component. The file 'include/class.dispatcher.php' incorrectly allows HTTP method overrides via the '_method' parameter in GET requests. Because the application's CSRF protection only validates POST requests, an attacker can use GET-based vectors (such as <img> tags) to trigger state-changing actions (e.g., DELETE or POST) that would normally require a CSRF token. An attacker can exploit this by embedding a malicious URL in a ticket that, when viewed by an authenticated agent, executes administrative actions in the agent's context. A pull request has been submitted to restrict method overrides to POST data, but a formal patch has not yet been merged.

Affected products

osTicket osTicket up to 1.18.3

Timeline

2026-04-11: disclosed: Pull request with fix submitted to the project repository
2026-05-09: advisory: Vulnerability published via VulDB/NVD

References

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