CVE-2026-1692 Missing origin validation in GraphicalData web service requests

Medium 5.3 Published Updated

Attackers can bypass origin validation in WebSockets to lure authenticated users to malicious sites, affecting PcVue web services.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-1692?

CVE-2026-1692 is a medium-severity vulnerability in arcinfo PcVue, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A missing origin validation in WebSockets vulnerability affects the GraphicalData web services used by the WebVue, WebScheduler, TouchVue and SnapVue features of PcVue in version 12.0.0 through 16.3.3 included. It might allow a remote attacker to lure a successfully authenticated user to a malicious website.

This vulnerability only affects the following two endpoints: GraphicalData/js/signalR/connect and GraphicalData/js/signalR/reconnect.

Weakness: CWE-1385

Which versions are affected by CVE-2026-1692?

It affects 1 product.

Products include Arcinfo Pcvue.

How do I fix CVE-2026-1692?

No fix has been published for CVE-2026-1692 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-1692 being exploited?

There is no known exploitation of CVE-2026-1692 in the wild and no public exploit code.

Sources

Also known as GHSA-3fqx-3cg9-chg9.

Is CVE-2026-1692 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free