What is the CVSS score of CVE-2026-1618?

CVE-2026-1618 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Flexcity are affected by CVE-2026-1618?

A critical authentication bypass vulnerability in FlexCity/Kiosk (versions before 1.0.36) allows attackers to escalate privileges without valid credentials, potentially compromising sensitive systems…

How to fix or mitigate CVE-2026-1618?

Within 24 hours: Inventory all FlexCity/Kiosk deployments and identify internet-facing instances; implement network segmentation to restrict access to affected systems. Within 7 days: Deploy compensating controls (WAF rules, access logging, IP whitelisting); contact Universal Software Inc. for patch timeline and interim security guidance. Within 30 days: Develop and execute a patch deployment plan immediately upon vendor release; consider temporary disable of non-critical Kiosk functionality if risk remains unacceptable.

Flexcity CVE-2026-1618

HIGH

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2026-02-13 iletisim@usom.gov.tr

Authentication Bypass Privilege Escalation Flexcity Uni Yaz

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 13, 2026 - 14:16 nvd

HIGH 8.8

DescriptionCVE.org

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.

AnalysisAI

Flexcity versions before 1.0.36 contain an authentication bypass vulnerability that allows authenticated users to escalate their privileges through an alternate access path. An attacker with valid credentials can exploit this flaw to gain unauthorized elevated access to the system. No patch is currently available.

Technical ContextAI

Affects Flexcity. 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.