{"id":"CVE-2026-110761","summary":"ILIAS before 9.24, 10.12, and 11.5 PHP Object Injection via Test Results Import","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.","modified":"2026-10-16T02:47:43.282674427Z","published":"2026-10-14T18:47:35.995Z","database_specific":{"cwe_ids":["CWE-502"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110761.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://docu.ilias.de/go/blog/15821/952"},{"type":"ADVISORY","url":"https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=228077&ref_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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ilias-elearning/ilias","events":[{"introduced":"fde780b71853eddee7c2efc409b2f82335475cb7"},{"fixed":"ba6f1323d3ae1cd77a06b67b7d525b9abb951912"},{"introduced":"cf8158610d18ee0277ee743de16b79d09bcf7af6"},{"fixed":"c59c67f6c3d824d8d995760f12031b6684d6d6dd"},{"introduced":"2151d66e5092fc346bf0bacb49ab7edb468596b3"},{"fixed":"d6a93383d7e0e27cf8c6699722ebc331244c3cda"}],"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"}}],"versions":["v11.4","v9.23","v10.11","v9.22","v11.3","v10.10","v9.21","v11.2","v10.9","v9.20","v11.1","v10.8","v11.0","v9.19","v10.7","v9.18","v10.6","v3.8","v9.17","v10.5","v10.4","v9.16","v10.3","v9.15","v10.2","v9.13","v10.0","v9.12","v9.10","v9.8","v9.7","v9.6","v9.5","v9.4","v9.3","v9.1","v9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110761.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","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"}]}