CVE-2026-1695: XSS vulnerability upon unsuccessful authentication

Severity: medium (CVSS 6.1 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-79

Description

An XSS vulnerability affects the OAuth web services used by the WebVue, WebScheduler, TouchVue and SnapVue features of PcVue in version 12.0.0 through 16.3.3 included. It might allow a remote attacker to trick a legitimate user into loading content from another site upon unsuccessful user authentication on an unknown application (unknown client_id). This vulnerability only affects the error page of the OAuth server.

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

Get alerted when CVE-2026-1695 or the next vulnerability affects your stack