{"id":"CVE-2026-78319","aliases":["EUVD-2026-68988","GHSA-jc56-mhh5-666m"],"status":"published","title":"TOCTOU Vulnerability in file exchange","description":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00607,"percentile":0.49485,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-09-01T06:44:51Z","modified":"2026-09-03T16:57:26Z","products":[{"vendor":"sauter","product":"ecos504"},{"vendor":"sauter","product":"ecos505"},{"vendor":"sauter","product":"modu612-lc"},{"vendor":"sauter","product":"modu660-as"},{"vendor":"sauter","product":"modu680-as"}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-093/"},{"url":"https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-093.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78319"},{"url":"https://www.certvde.com/en/advisories/VDE-2026-093"},{"url":"https://github.com/advisories/GHSA-jc56-mhh5-666m"}],"sources":{"cve":[{"id":"CVE-2026-78319","title":"TOCTOU Vulnerability in file exchange","description":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code.","status":"published","published":"2026-09-01T06:44:51.429Z","modified":"2026-09-01T17:36:45.357Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-68988","description":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code.","status":"published","published":"2026-09-01T06:44:51Z","modified":"2026-09-01T17:36:45Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:01:17.32054Z"}],"ghsa":[{"id":"GHSA-jc56-mhh5-666m","title":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU...","description":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code.","status":"published","published":"2026-09-01T09:31:19Z","modified":"2026-09-01T09:31:19Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:11:12.60039Z"}],"nvd":[{"id":"CVE-2026-78319","description":"A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code.","status":"published","published":"2026-09-01T07:16:36.523Z","modified":"2026-09-03T16:57:26.583Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:43.04945Z"}]}}