Vulnerability · Published Feb 24, 2026 · Assigned by CERT-PL

CVE-2025-13776Hard-coded database credentials in Finka software

High 8.6

In plain English

A high-severity hard-coded credentials in Finka-Faktura from TIK-SOFT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 4.0)8.6High

Exploit odds (30 days)0.1%top 96.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 (as reported)

Vendor	Product	Versions
TIK-SOFT	Finka-FK	0 – before 18.5
TIK-SOFT	Finka-KPR	0 – before 16.6
TIK-SOFT	Finka-Płace	0 – before 13.4
TIK-SOFT	Finka-Faktura	0 – before 18.3
TIK-SOFT	Finka-Magazyn	0 – before 8.3
TIK-SOFT	Finka-STW	0 – before 12.3

Weakness: CWE-798 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

https://cert.pl/en/posts/2026/01/CVE-2025-13776 third-party-advisory
https://finka.pl/ product