{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-81574",
        "assignerOrgId": "2fc02b1f-71e7-4514-a878-169626f68903",
        "state": "PUBLISHED",
        "assignerShortName": "wibu",
        "dateReserved": "2026-08-27T07:01:24.780Z",
        "datePublished": "2026-08-27T07:11:56.916Z",
        "dateUpdated": "2026-08-27T13:32:50.315Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://www.wibu.com/products/codemeter/runtime.html",
                    "defaultStatus": "unaffected",
                    "product": "codemeter-runtime",
                    "vendor": "wibu-systems-ag",
                    "versions": [
                        {
                            "lessThan": "9.10",
                            "status": "affected",
                            "version": "9.00",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "8.41a",
                            "status": "affected",
                            "version": "8.00",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "7.00"
                        },
                        {
                            "status": "unaffected",
                            "version": "6.00"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:wibu-systems-ag:codemeter-runtime:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "9.10",
                                    "versionStartIncluding": "9.00",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:wibu-systems-ag:codemeter-runtime:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "8.41a",
                                    "versionStartIncluding": "8.00",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:wibu-systems-ag:codemeter-runtime:7.00:*:*:*:*:*:*:*",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:wibu-systems-ag:codemeter-runtime:6.00:*:*:*:*:*:*:*",
                                    "vulnerable": false
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "OR"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Andrew Teylu of Vector Informatik GmbH"
                }
            ],
            "datePublic": "2026-08-25T13:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "In CodeMeter Runtime before versions 8.41a and 9.10, the logger does not sanitize input strings in certain cases, allowing an attacker to inject printf-style format<br>specifiers. This can be used to reliably crash CodeMeter and disclose sensitive information such as process memory<br>and stack canaries. The attack works locally, for example by using cmu --set-proxy to set the proxy value, and<br>remotely when combined with CVE-2026-81573 by setting General.ProxyServer and then triggering this<br>vulnerability."
                        }
                    ],
                    "value": "In CodeMeter Runtime before versions 8.41a and 9.10, the logger does not sanitize input strings in certain cases, allowing an attacker to inject printf-style format\nspecifiers. This can be used to reliably crash CodeMeter and disclose sensitive information such as process memory\nand stack canaries. The attack works locally, for example by using cmu --set-proxy to set the proxy value, and\nremotely when combined with CVE-2026-81573 by setting General.ProxyServer and then triggering this\nvulnerability."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-134",
                            "description": "CWE-134 Use of Externally-Controlled format string",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "2fc02b1f-71e7-4514-a878-169626f68903",
                "shortName": "wibu",
                "dateUpdated": "2026-08-27T08:01:30.061Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-103401.pdf"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Format String Vulnerability in Logger",
            "x_generator": {
                "engine": "Vulnogram 1.0.0-beta"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-27T13:32:09.372443Z",
                                "id": "CVE-2026-81574",
                                "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": "2026-08-27T13:32:50.315Z"
                }
            }
        ]
    }
}