{"id":"CVE-2026-81574","aliases":["EUVD-2026-66981","GHSA-7c2r-g494-h73x"],"status":"published","title":"Format String Vulnerability in Logger","description":"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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00426,"percentile":0.37223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"published":"2026-08-27T07:11:56Z","modified":"2026-09-01T20:56:59Z","products":[{"vendor":"wibu-systems-ag","product":"codemeter-runtime"}],"references":[{"url":"https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-103401.pdf","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81574"},{"url":"https://github.com/advisories/GHSA-7c2r-g494-h73x"}],"sources":{"cve":[{"id":"CVE-2026-81574","title":"Format String Vulnerability in Logger","description":"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.","status":"published","published":"2026-08-27T07:11:56.916Z","modified":"2026-08-27T13:32:50.315Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-66981","description":"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.","status":"published","published":"2026-08-27T07:11:56Z","modified":"2026-08-27T13:32:50Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:28.581047Z"}],"ghsa":[{"id":"GHSA-7c2r-g494-h73x","title":"In CodeMeter Runtime before versions 8.41a and 9.10, the logger does not sanitize input strings...","description":"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.","status":"published","published":"2026-08-27T12:30:26Z","modified":"2026-08-27T12:30:27Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T15:11:02.620282Z"}],"nvd":[{"id":"CVE-2026-81574","description":"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.","status":"published","published":"2026-08-27T10:16:40.077Z","modified":"2026-09-01T20:56:59.203Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}