{"id":"CVE-2026-110761","title":"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","summary":"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 m…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:17:31.543","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110761","references":[{"url":"https://docu.ilias.de/go/blog/15821/952","label":"disclosure@vulncheck.com"},{"url":"https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=228077&ref_id=35","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilObjTest.php#L7364","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilTestResultsImportParser.php#L225","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS/commit/267d4645ea940f8f97d1a9838deff6a12097564d","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS/commit/ac4684239641fb3dab2d636b53a61c46462d1208","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ILIAS-eLearning/ILIAS/commit/cf4e9c230edfd96fc94a1b1d355500aa8c6f1771","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-php-object-injection-via-test-results-import","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-14T19:49:57.608Z","vendor":"ILIAS-eLearning e.V.","product":"ILIAS","affected":["ILIAS >= 9.0 < 9.24","ILIAS >= 10.0 < 10.12","ILIAS >= 11.0 < 11.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-14T19:39:39.482386Z"},"slug":"CVE-2026-110761","body":"## Overview\n\nILIAS 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}