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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-502"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110761.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"fixed": "9.24"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "10.0"
},
{
"fixed": "10.12"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "11.0"
},
{
"fixed": "11.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "cf4e9c230edfd96fc94a1b1d355500aa8c6f1771"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "267d4645ea940f8f97d1a9838deff6a12097564d"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "ac4684239641fb3dab2d636b53a61c46462d1208"
}
],
"source": "REFERENCES_COMMIT"
}
]
}