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

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-26 · updated 2026-07-09
Weakness: CWE-1385

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.

Affected products

arcinfo PcVue: from 12.0.0 through 15.2.13; from 16.0.0 before 16.3.4 — fixed in 16.3.4

How to fix

Upgrade to a fixed version: arcinfo PcVue 16.3.4. Check the vendor advisory for mitigations.

References

https://www.pcvue.com/security/#SB2026-2

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