CVE-2026-106036

Improper certificate validation in Szafir

Published Oct 29, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Improper certificate validation in Szafir
First Time appeared Krajowa Izba Rozliczeniowa
Krajowa Izba Rozliczeniowa szafir
Weaknesses CWE-295
CPEs cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir:*:*:*:*:*:*:*:*
Vendors & Products Krajowa Izba Rozliczeniowa
Krajowa Izba Rozliczeniowa szafir
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Nov 5, 2026, 9:18 PM
Reserved
Oct 6, 2026, 1:51 PM
Status
Deferred
Published
Oct 29, 2026, 4:17 PM
Modified
Nov 5, 2026, 10:17 PM