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

> Attackers on the local network can read and modify database content using hard-coded Firebird credentials shared across all Finka software instances.

- **Severity:** High 8.6 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Feb 2026
- **Updated:** 26 Feb 2026
- **Also known as:** GHSA-hjg3-g5mq-q5qp

## What is CVE-2025-13776?

CVE-2025-13776 is a high-severity vulnerability in TIK-SOFT Finka-FK, published on 24 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### 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

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2025-13776?

It affects 6 products.


Products: Finka Finka-Faktura, Finka Finka-Fk, Finka Finka-Kpr, Finka Finka-Magazyn, Finka Finka-Place, Finka Finka-Stw.

## How do I fix CVE-2025-13776?

No fix has been published for CVE-2025-13776 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-13776 being exploited?

There is no known exploitation of CVE-2025-13776 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-13776 and fix it if it is affected.

What it is: CVE-2025-13776 is a high-severity vulnerability in TIK-SOFT Finka-FK, published on 24 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-13776 in the wild and no public exploit code.

Affected product: TIK-SOFT Finka-FK. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-13776/ (Markdown: https://insights.sbomify.com/CVE-2025-13776/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-13776
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-13776
- OSV: https://osv.dev/vulnerability/CVE-2025-13776

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-13776/
Summaries are generated and may contain mistakes; the official description above is the record.