CVE-2026-1694: Server configuration details in HTTP headers

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-26 · updated 2026-07-09
Weakness: CWE-201

Description

HTTP headers are added by the default configuration of IIS and ASP.net, and are not removed at the deployment phase of the webservices used by the WebVue, WebScheduler, TouchVue and SnapVue features of PcVue in version 12.0.0 through 16.3.3 included. It unnecessarily exposes sensitive information about the server configuration.

Affected products

arcinfo PcVue: from 12.0.0 through 15.2.13; from 16.0.0 before 16.3.4 — fixed in 16.3.4

How to fix

Upgrade to a fixed version: arcinfo PcVue 16.3.4. Check the vendor advisory for mitigations.

References

https://www.pcvue.com/security/#SB2026-2

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