Vulnerability Details CVE-2026-1698
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.3%
CVSS Severity
CVSS v3 Score 6.1
References
Products affected by CVE-2026-1698
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cpe:2.3:a:arcinformatique:pcvue:15.0.0
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cpe:2.3:a:arcinformatique:pcvue:15.1.0
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cpe:2.3:a:arcinformatique:pcvue:15.2.0
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cpe:2.3:a:arcinformatique:pcvue:15.2.1
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cpe:2.3:a:arcinformatique:pcvue:15.2.10
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cpe:2.3:a:arcinformatique:pcvue:15.2.11
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cpe:2.3:a:arcinformatique:pcvue:15.2.12
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cpe:2.3:a:arcinformatique:pcvue:15.2.13
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cpe:2.3:a:arcinformatique:pcvue:15.2.2
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cpe:2.3:a:arcinformatique:pcvue:15.2.3
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cpe:2.3:a:arcinformatique:pcvue:15.2.5
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cpe:2.3:a:arcinformatique:pcvue:15.2.6
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cpe:2.3:a:arcinformatique:pcvue:15.2.7
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cpe:2.3:a:arcinformatique:pcvue:15.2.8
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cpe:2.3:a:arcinformatique:pcvue:15.2.9
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cpe:2.3:a:arcinformatique:pcvue:16.0.0
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cpe:2.3:a:arcinformatique:pcvue:16.1.0
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cpe:2.3:a:arcinformatique:pcvue:16.2.0
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cpe:2.3:a:arcinformatique:pcvue:16.2.5
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cpe:2.3:a:arcinformatique:pcvue:16.3.0
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cpe:2.3:a:arcinformatique:pcvue:16.3.1
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cpe:2.3:a:arcinformatique:pcvue:16.3.2
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cpe:2.3:a:arcinformatique:pcvue:16.3.3