What is the CVSS score of CVE-2026-1698?

CVE-2026-1698 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of Pcvue are affected by CVE-2026-1698?

Organizations using version 15.0.0 should be aware of moderate risk from CVE-2026-1698 rated CVSS 6.1. Exploitation could compromise the security of affected deployments.

Pcvue CVE-2026-1698

MEDIUM

Improper Neutralization of HTTP Headers for Scripting Syntax (CWE-644)

2026-02-26 87c8e6ad-f0f5-4ca8-89e2-89f26d6ed932

Code Injection Pcvue

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 26, 2026 - 08:16 nvd

MEDIUM 6.1

DescriptionCVE.org

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.

AnalysisAI

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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Vulnerability AssessmentAI

Risk Assessment	CVSS 6.1 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to compromise the affected system.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems running version 15.0.0 and apply vendor patches as part of regular patch cycle. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-1698 vulnerability details – vuln.today

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