CVE-2026-13138 PUBLISHED

Improper Authorization in Divasoft Software's Biletiva Ticketing Platform

Assigner: TR-CERT
Reserved: 24.06.2026 Published: 13.10.2026 Updated: 13.10.2026

Client-Side Enforcement of Server-Side Security vulnerability in Divasoft Software and E-Commerce Inc. Biletiva Ticketing Platform allows Manipulating State.

This issue affects Biletiva Ticketing Platform: through 2026-07-23.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
CVSS Score: 8.6

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	Divasoft Software and E-Commerce Inc.
Product	Biletiva Ticketing Platform
Versions	Default: unaffected affected from 0 to 2026-07-23 (incl.)

Credits

Umut Kayra Doğan finder

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1309

Problem Types

CWE-602 Client-Side Enforcement of Server-Side Security CWE

Impacts

CAPEC-74 Manipulating State