{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2aa90f8a047c2484147de12c464d08d4be964029"
            }
          ],
          "repo": "https://github.com/markusproject/markus",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-x8xv-j7fc-65x5"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-409"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25962.json"
  },
  "details": "MarkUs is a web application for the submission and grading of student assignments. Prior to version 2.9.4, MarkUs currently extracts zip files without any size or entry-count limits. For example, instructors can upload a zip file to provide an assignment configuration; students can upload a zip file for an assignment submission and indicate its contents should be extracted. This issue has been patched in version 2.9.4.",
  "id": "CVE-2026-25962",
  "modified": "2026-04-01T23:08:19.729938053Z",
  "published": "2026-03-06T02:48:43.698Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/MarkUsProject/Markus/releases/tag/v2.9.4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25962.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MarkUsProject/Markus/security/advisories/GHSA-x8xv-j7fc-65x5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25962"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "MarkUs: Zip bomb in config upload enables DoS"
}