CVE-2026-1698
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Tags
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.
Analysis
PcVue versions 15.0.0 through 16.3.3 are vulnerable to HTTP Host header injection in the WebClient and WebScheduler authentication endpoints, allowing unauthenticated remote attackers to manipulate server behavior and potentially conduct phishing or cache poisoning attacks. The vulnerability affects the /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback, and /Authentication/Logout endpoints, with the ability to inject malicious payloads that could lead to information disclosure or data modification. …
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Remediation
Within 30 days: Identify affected systems running version 15.0.0 and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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