# CVE-2026-1618: Universal Software Inc. FlexCity/Kiosk authentication bypass

Source: https://junglewise.ai/threats/cve-2026-1618-universal-software-inc-flexcity-kiosk-authentication-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-13. Updated: 2026-06-06  
License: CC BY 4.0 with a link back

CVE-2026-1618 · Severity: high · CVSS 8.8 · Published 2026-02-13

Universal Software Inc. FlexCity/Kiosk, a platform used for managing smart city services and public kiosks, contains a security flaw that allows users to bypass standard login procedures. By exploiting an alternate communication path, a low-privileged user can gain administrative control over the system. This could lead to unauthorized access to sensitive citizen data, disruption of public services, or full system takeover.

Technologies: [Uni-Yaz Flexcity](https://junglewise.ai/threats/technologies/flexcity). Vendors: [Uni-Yaz](https://junglewise.ai/threats/vendors/uni-yaz).

## Quick answers

**Is CVE-2026-1618 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-1618 being exploited in the wild.

**How severe is CVE-2026-1618?** High severity, with a CVSS score of 8.8, published 13 February 2026.

**Which products and versions are affected?** Universal Software Inc. FlexCity/Kiosk 1.0 to 1.0.36.

**Is there a fix for CVE-2026-1618?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-1618 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-1618?** Check whether you run Uni-Yaz Flexcity. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authentication bypass vulnerability (CWE-288) exists in Universal Software Inc. FlexCity/Kiosk versions 1.0 through 1.0.35. The flaw allows an attacker to bypass primary authentication mechanisms by using an alternate path or channel within the application. This vulnerability is network-reachable and requires low-level authenticated access (PR:L) to exploit. Successful exploitation enables an attacker to escalate their privileges, potentially gaining full administrative access to the kiosk management system. The issue is addressed in version 1.0.36.

## Affected products

- Universal Software Inc. FlexCity/Kiosk 1.0 to 1.0.36

## Timeline

- 2026-02-13: disclosed
- 2026-02-13: advisory

## References

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

## Related threats

- [Universal Software Inc. FlexCity/Kiosk authorization bypass](https://junglewise.ai/threats/cve-2026-1619-universal-software-inc-flexcity-kiosk-authorization-bypass)
- [Universal Software Inc. FlexCity/Kiosk privilege escalation](https://junglewise.ai/threats/cve-2025-14349-universal-software-inc-flexcity-kiosk-privilege-escalation)