{"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"}}]}}