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.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| arcinfo | PcVue | >= 16.0.0, <= 16.3.3; >= 15.0.0, <= 15.2.13 |
References
- https://www.pcvue.com/security/#SB2026-2Vendor Advisory
Timeline
- Published
- Feb 26, 2026
- Last modified
- Jul 9, 2026
- NVD status
- Analyzed