Security readout for executives and security teams
Plain-English summary
CVE-2026-1619 is an authorization flaw in Universal Software Inc. FlexCity/Kiosk. A logged-in attacker may be able to access or change data by manipulating trusted identifiers. The issue affects version 1.0 before 1.0.36 and is rated high severity. No provided source states active exploitation.
Executive priority
Prioritize remediation for internet-facing or broadly accessible FlexCity/Kiosk deployments. The business risk is unauthorized access to or modification of sensitive kiosk/application data by low-privileged users. Treat as high priority, but current sources do not confirm active exploitation.
Technical view
The CVE describes CWE-639, Authorization Bypass Through User-Controlled Key, in FlexCity/Kiosk. CVSS 3.1 is 8.3: network-accessible, low complexity, low privileges required, no user interaction, with high confidentiality and integrity impact and low availability impact. Affected range is FlexCity/Kiosk 1.0 before 1.0.36.
Likely exposure
Organizations running Universal Software FlexCity/Kiosk version 1.0 earlier than 1.0.36 are potentially exposed, especially if the application is reachable by ordinary authenticated users over a network.
Exploitation context
The vulnerability requires low privileges, so risk centers on authenticated users or compromised accounts. The flaw class suggests improper object-level authorization checks. There is no KEV listing and no cited source in the bundle confirms exploitation in the wild.
Researcher notes
Evidence is limited to CVE metadata and government advisory links. One referenced USOM URL is marked broken in the bundle. The available data supports the affected range, CWE-639 classification, and CVSS vector, but does not provide exploit details, indicators of compromise, or detailed vendor remediation notes.
Mitigation direction
- Identify all FlexCity/Kiosk deployments and versions.
- Upgrade affected FlexCity/Kiosk 1.0 installations to 1.0.36 or later, if available.
- Review Universal Software or national advisory guidance for any additional vendor instructions.
- Restrict network access to the application where business operations allow.
- Monitor for unusual authenticated access to records or identifiers.
Validation and detection
- Confirm whether FlexCity/Kiosk is present in the environment.
- Verify installed version is 1.0.36 or later.
- Review application logs for abnormal cross-record access by authenticated users.
- Validate authorization controls through approved internal testing, without using production data.
- Track the government advisory for updates or clarifications.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1619 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L2.85.5TR-CERTVulnerability scoring details
Base CVSS 3.1 score
8.3HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.usom.gov.tr/bildirim/tr-26-0065CVE reference, TR-CERT · government-resource, broken-link
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0065CVE reference, TR-CERT · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.