CVE-2026-106036
Improper certificate validation in Szafir
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 29, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 6, 2026
Description
Szafir accepts any client or server certificate without performing certificate and hostname validation, allowing HTTPS connections without authenticating the remote server. An attacker can provide an arbitrary SSL/TLS certificate and cause the application to download an update file from their server.
This issue was fixed in version 2.0 build 708.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | CERT-PL |
Weaknesses
- CWE-295 Improper certificate validation
Affected Products
| Product | Versions |
|---|---|
SzafirKrajowa Izba Rozliczeniowa |
|
References
- https://cert.pl/posts/2026/10/CVE-2026-93570third-party-advisory
- https://www.elektronicznypodpis.pl/product
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