CVE-2026-59109
Zalktis: SQL injection via partner-controlled fields in imported e-invoices
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 13, 2026
- Updated
- Aug 14, 2026
- Reserved
- Jul 2, 2026
Description
SQL injection in the Zalktis accounting application via trading-partner-controlled text fields in received electronic invoices. When importing a received e-invoice (UBL/PEPPOL) or an e-commerce export, Zalktis concatenates partner-controlled values directly into SQL statement text using string concatenation, with neither parameterised queries nor escaping. The application's own escaping helper, Dazadi.sql_txt(), is not invoked on these code paths, so a party that sends an invoice can break out of the string literal and alter the query logic.
This issue affects Zalktis: before 2026.1.586 and before 2026.2.592.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | ENISA |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | ENISA |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ZalktisZalktis Programmas (SIA "Zalktis Programmas") |
|
References
- https://offseq.com/en/research/zalktis-cve-2026-59109technical-description
- https://cvd.cert.lv/disclosed/vuln-all-631428755government-resourcepermissions-required
- https://offseq.com/en/research/zalktis-cve-2026-59109/exploit
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