CVE-2026-1698

MEDIUM

HTTP Host header vulnerability in WebClient and WebScheduler web apps

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-1698 has a selected CVSS score of 5.3 (medium).

Description

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableYes
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 26, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

PcVue

Browse arcinfo / PcVue

Default status: unaffected

CVE List16.0.0 to ≤ 16.3.3affected
15.0.0 to ≤ 15.2.13affected

References

2