Is CVE-2026-1698 in the CISA KEV catalog?

No. CVE-2026-1698 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2026-1698 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2026-1698?

CVE-2026-1698 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1698?

Upgrade pcvue to 16.3.4 or later.

CVE & CISA-KEV Catalog

CVE-2026-1698

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-644

How to fix

Remediation Available

pcvueNVD

Affected:>= 16.0.0, < 16.3.4Fixed in:16.3.4CVE-2026-1698derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory1

pcvue.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-12.