CVE-2026-1698 — HTTP Host header vulnerability in WebClient and WebScheduler web apps

CVE-2026-1698

HTTP Host header vulnerability in WebClient and WebScheduler web apps PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
arcinfo / PcVue	affected 16.0.0 through 16.3.3; affected 15.0.0 through 15.2.13

CWE

CWE-644

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.