CVE-2026-106036 (GCVE-0-2026-106036)

Vulnerability from cvelistv5 – Published: 2026-10-29 15:08 – Updated: 2026-10-29 15:08
VLAI
Title
Improper certificate validation in Szafir
Summary
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.
CWE
  • CWE-295 - Improper certificate validation
Assigner
CERT-PL CNA under the ENISA root
CNA scorecard B 81/100 over 256 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Krajowa Izba Rozliczeniowa Szafir Affected: 0 , ≤ 2.0 (custom)
    cpe:2.3:a:krajowa_izba_rozliczeniowa:szafir:*:*:*:*:*:*:*:*
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Show details on NVD website

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          "vendor": "Krajowa Izba Rozliczeniowa",
          "versions": [
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              "changes": [
                {
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                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "2.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
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      ],
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        }
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              "value": "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.\u003cbr\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eThis issue was fixed in version\u0026nbsp;2.0 build 708.\u003c/div\u003e"
            }
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        }
      ],
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            "Recovery": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
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      "providerMetadata": {
        "dateUpdated": "2026-10-29T15:08:02.788Z",
        "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "shortName": "CERT-PL"
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          "url": "https://cert.pl/posts/2026/10/CVE-2026-93570"
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          "url": "https://www.elektronicznypodpis.pl/"
        }
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      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Improper certificate validation in Szafir",
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  "cveMetadata": {
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    "assignerShortName": "CERT-PL",
    "cveId": "CVE-2026-106036",
    "datePublished": "2026-10-29T15:08:02.788Z",
    "dateReserved": "2026-10-06T13:51:18.839Z",
    "dateUpdated": "2026-10-29T15:08:02.788Z",
    "state": "PUBLISHED"
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          }
        ],
        "id": "CVE-2026-106036",
        "lastModified": "2026-10-29T16:30:07.917",
        "metrics": {
          "cvssMetricV40": [
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
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                "availabilityRequirement": "NOT_DEFINED",
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                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
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                "modifiedPrivilegesRequired": "NOT_DEFINED",
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                "privilegesRequired": "NONE",
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                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
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                "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "published": "2026-10-29T16:17:47.653",
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            "source": "cvd@cert.pl",
            "type": "Primary"
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}



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