{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "9.0"
              },
              {
                "fixed": "9.24"
              },
              {
                "introduced": "10.0"
              },
              {
                "fixed": "10.12"
              },
              {
                "introduced": "11.0"
              },
              {
                "fixed": "11.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "fde780b71853eddee7c2efc409b2f82335475cb7"
            },
            {
              "fixed": "ba6f1323d3ae1cd77a06b67b7d525b9abb951912"
            },
            {
              "introduced": "cf8158610d18ee0277ee743de16b79d09bcf7af6"
            },
            {
              "fixed": "c59c67f6c3d824d8d995760f12031b6684d6d6dd"
            },
            {
              "introduced": "2151d66e5092fc346bf0bacb49ab7edb468596b3"
            },
            {
              "fixed": "d6a93383d7e0e27cf8c6699722ebc331244c3cda"
            }
          ],
          "repo": "https://github.com/ilias-elearning/ilias",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110761.json"
  },
  "details": "ILIAS before 9.24, 10.12, and 11.5 contains a PHP object injection vulnerability that allows authenticated users with Test creation or import permission to deserialize arbitrary objects via crafted Test archives. Attackers can inject a malicious tst_sequence sequence attribute that is passed to unserialize(), abusing Guzzle or Monolog gadget chains to write PHP files and execute code.",
  "id": "CVE-2026-110761",
  "modified": "2026-10-16T02:30:36.467632091Z",
  "published": "2026-10-14T18:47:35.995Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://docu.ilias.de/go/blog/15821/952"
    },
    {
      "type": "ADVISORY",
      "url": "https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui\u0026obj_id=228077\u0026ref_id=35"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110761.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110761"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-php-object-injection-via-test-results-import"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/267d4645ea940f8f97d1a9838deff6a12097564d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/ac4684239641fb3dab2d636b53a61c46462d1208"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/commit/cf4e9c230edfd96fc94a1b1d355500aa8c6f1771"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ILIAS-eLearning/ILIAS"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilObjTest.php#L7364"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilTestResultsImportParser.php#L225"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ILIAS before 9.24, 10.12, and 11.5 PHP Object Injection via Test Results Import"
}