CVE-2026-1618: Admin Account Takeover in Universal Sotware's FlexCity/Kiosk

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-13 · updated 2026-06-17
Weakness: CWE-288

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Universal Software Inc. FlexCity/Kiosk allows Privilege Escalation. This issue affects FlexCity/Kiosk: from 1.0 before 1.0.36.

Affected products

Universal Software Inc. FlexCity: from 1.0 before 1.0.36 — fixed in 1.0.36

How to fix

Upgrade to a fixed version: Universal Software Inc. FlexCity 1.0.36. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0065
https://www.usom.gov.tr/bildirim/tr-26-0065

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