CVE-2025-13776: Finka Finka-Faktura

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Multiple Finka programs use hard-coded Firebird database credentials (shared across all instances of this software). A malicious attacker in local network who knows default credentials is able to read and edit database content. This vulnerability has been fixed in version: Finka-FK 18.5, Finka-KPR 16.6, Finka-Płace 13.4, Finka-Faktura 18.3, Finka-Magazyn 8.3, Finka-STW 12.3

Affected products

• Finka Finka-Faktura: before 18.3 (fixed in 18.3)
• Finka Finka-Fk: before 18.5 (fixed in 18.5)
• Finka Finka-Kpr: before 16.6 (fixed in 16.6)
• Finka Finka-Magazyn: before 8.3 (fixed in 8.3)
• Finka Finka-Place: before 13.4 (fixed in 13.4)
• Finka Finka-Stw: before 12.3 (fixed in 12.3)

Published 2026-02-24. Last modified 2026-06-17.