CVE-2026-1698: Arcinfo Pcvue

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout of the WebClient and WebScheduler web apps.

Affected products

• Arcinfo Pcvue: from 15.0.0, up to and including 15.2.13; from 16.0.0, before 16.3.4 (fixed in 16.3.4)

Published 2026-02-26. Last modified 2026-07-09.