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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

PUBLISHED Reserved 2025-11-28 | Published 2026-02-24 | Updated 2026-02-24 | Assigner CERT-PL




HIGH: 8.6CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-798 Use of Hard-coded Credentials

Product status

Default status
unaffected

Any version before 18.5
affected

Default status
unaffected

Any version before 16.6
affected

Default status
unaffected

Any version before 13.4
affected

Default status
unaffected

Any version before 18.3
affected

Default status
unaffected

Any version before 8.3
affected

Default status
unaffected

Any version before 12.3
affected

Credits

Wojciech Żebrowski (Wern128) finder

References

cert.pl/en/posts/2026/01/CVE-2025-13776 third-party-advisory

finka.pl/ product

cve.org (CVE-2025-13776)

nvd.nist.gov (CVE-2025-13776)

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