{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-0809",
        "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "state": "PUBLISHED",
        "assignerShortName": "CERT-PL",
        "dateReserved": "2026-01-09T14:56:38.137Z",
        "datePublished": "2026-03-12T13:02:24.795Z",
        "dateUpdated": "2026-03-12T14:04:53.073Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Streamsoft Prestiż",
                    "vendor": "Streamsoft",
                    "versions": [
                        {
                            "lessThan": "20.0.380.92",
                            "status": "affected",
                            "version": "12.2.363.17",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Kamil Dąbkowski"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Use of a custom token encoding algorithm in Streamsoft Prestiż software allows&nbsp;the value of the KSeF (Krajowy System e-Faktur)&nbsp;token to be guessed&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">after analyzing how tokens with know values are encoded</span>.<br><br>This issue was fixed in version 20.0.380.92."
                        }
                    ],
                    "value": "Use of a custom token encoding algorithm in Streamsoft Prestiż software allows the value of the KSeF (Krajowy System e-Faktur) token to be guessed after analyzing how tokens with know values are encoded.\n\nThis issue was fixed in version 20.0.380.92."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 6.3,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-261",
                            "description": "CWE-261 Weak Encoding for Password",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
                "shortName": "CERT-PL",
                "dateUpdated": "2026-03-12T13:02:24.795Z"
            },
            "references": [
                {
                    "tags": [
                        "product"
                    ],
                    "url": "https://www.streamsoft.pl/streamsoft-prestiz/"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://cert.pl/posts/2026/03/CVE-2026-0809"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Weak KSeF token encoding in Streamsoft Prestiż",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-12T14:04:19.633953Z",
                                "id": "CVE-2026-0809",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-12T14:04:53.073Z"
                }
            }
        ]
    }
}