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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.pcvue.com/security/#SB2026-2	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:arcinformatique:pcvue::::::::
	cpe:2.3:a:arcinformatique:pcvue::::::::

History

No history.

Information

Published : 2026-02-26 08:16

Updated : 2026-03-12 14:30

NVD link : CVE-2026-1698

Mitre link : CVE-2026-1698

CVE.ORG link : CVE-2026-1698

JSON object : View

Products Affected

arcinformatique

pcvue

CWE

CWE-644

Improper Neutralization of HTTP Headers for Scripting Syntax

{"id": "CVE-2026-1698", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "87c8e6ad-f0f5-4ca8-89e2-89f26d6ed932", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "USER", "baseScore": 5.3, "Automatable": "YES", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:Clear", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "CLEAR", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-26T08:16:19.897", "references": [{"url": "https://www.pcvue.com/security/#SB2026-2", "tags": ["Vendor Advisory"], "source": "87c8e6ad-f0f5-4ca8-89e2-89f26d6ed932"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "87c8e6ad-f0f5-4ca8-89e2-89f26d6ed932", "description": [{"lang": "en", "value": "CWE-644"}]}], "descriptions": [{"lang": "en", "value": "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.\n\nThis vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout\nof the WebClient and WebScheduler web apps."}, {"lang": "es", "value": "Una vulnerabilidad de ataque de encabezado Host HTTP afecta a las aplicaciones web WebClient y WebScheduler de PcVue en las versiones 15.0.0 hasta la 16.3.3 incluidas, permitiendo a un atacante remoto inyectar cargas \u00fatiles maliciosas que manipulan el comportamiento del lado del servidor.\n\nEsta vulnerabilidad solo afecta a los puntos finales /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback y /Authentication/Logout de las aplicaciones web WebClient y WebScheduler."}], "lastModified": "2026-03-12T14:30:52.183", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:arcinformatique:pcvue:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A2EFF1A-72B6-4643-A12D-A3D21F733578", "versionEndIncluding": "15.2.13", "versionStartIncluding": "15.0.0"}, {"criteria": "cpe:2.3:a:arcinformatique:pcvue:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36C7C670-9A8E-49CD-A04C-8426A4C0C911", "versionEndExcluding": "16.3.4", "versionStartIncluding": "16.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "87c8e6ad-f0f5-4ca8-89e2-89f26d6ed932"}