{"id":"CVE-2026-76992","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76992","generatedAt":"2026-10-28T01:45:23.297Z","title":"An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.","description":"The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.","published":"2026-09-30T11:16:47.000Z","lastModified":"2026-09-30T19:57:08.000Z","status":"Deferred","sourceIdentifier":"info@cert.vde.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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/M"},"cwe":["CWE-770"],"affected":[],"epss":{"score":0.00327,"percentile":0.25617,"date":"2026-10-26","history":[{"date":"2026-10-01","score":0.00573,"percentile":0.45341}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T11:16:47.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-09-30T11:16:47.283Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-094/","source":"info@cert.vde.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76992","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}