TI-2026-82552 Aliases CVE-2026-106036 GHSA-c5j4-p43c-gh65

Szafir accepts unvalidated TLS certificates for update downloads

LOW 36CWE-295Published 2026-10-29 · Updated 2026-11-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Spoofing
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Szafir from 0 through 2.0 accepts any client or server certificate without certificate and hostname validation (CWE-295). A remote attacker without privileges or user interaction can provide an arbitrary SSL/TLS certificate and make the application download an update file from their server.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00167 5th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Krajowa Izba Rozliczeniowa	Szafir	up to 2.0	—	No fix listed	CNA

Szafir VendorKrajowa Izba Rozliczeniowa Affected up to 2.0 Fixed in — No fix listed CNA

Remediation

Update Szafir to version 2.0 build 708, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

2026-10-29 Threatist record created from CVE-2026-106036
2026-10-29 Alias added: GHSA-c5j4-p43c-gh65
2026-10-31 Priority changed: MEDIUM → LOW
2026-11-05 CISA SSVC decision points changed

References

Advisory 1

https://cert.pl/posts/2026/10/CVE-2026-93570

Other 1

https://www.elektronicznypodpis.pl/

TI-2026-07960 Improper Certificate Verification in Szafir SDK CVSS 4.0CRITICAL 9.3
TI-2026-21415 Lack of Dynamic Library Validation in SzafirHost CVSS 4.0HIGH 8.7
TI-2026-32104 Remote Code Execution in SzafirHost CVSS 4.0HIGH 8.6
TI-2026-11178 Remote Code Execution in SzafirHost CVSS 4.0HIGH 8.6
TI-2026-82528 XML external entity injection in Szafir and Szafir Weryfikująca CVSS 4.0HIGH 8.2
TI-2026-21414 URL (HTTP Origin) call location spoofing in Szafir SDK Web CVSS 4.0MEDIUM 5.1

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences