{"id":"CVE-2026-43833","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-43833","generatedAt":"2026-10-28T04:16:59.758Z","title":"A stack-based buffer overflow vulnerability in the upload functionality could allow an authenticated attacker to achieve code execution.","description":"A stack-based buffer overflow vulnerability in the upload functionality could allow an authenticated attacker to achieve code execution.","published":"2026-07-31T04:17:22.000Z","lastModified":"2026-10-20T08:16:44.000Z","status":"Deferred","sourceIdentifier":"5f57b9bf-260d-4433-bf07-b6a79e9bb7d4","cvss":{"version":"4.0","score":7.5,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/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/M"},"cwe":[],"affected":[],"epss":{"score":0.00491,"percentile":0.4197,"date":"2026-10-27","history":[]},"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 (0.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-20T10:15:04.000Z","detail":{"from":"5.3","score":"7.5","severity":"HIGH","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 7.5 HIGH (was 5.3)."}],"references":[{"url":"https://www.advantech.com/en/security-advisory","source":"5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"},{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149","source":"5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"},{"url":"https://github.com/CVEProject/cvelistV5/blob/8846a06bd73fefb0d7b7e205f1e21f97d0b9cbe2/cves/2026/43xxx/CVE-2026-43833.json","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43833","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."}