High 8.8Published Oct 14, 2026

CVE-2026-110761ILIAS before 9.24, 10.12, and 11.5 PHP Object Injection via Test Results Import

Updated under an hour ago (Oct 28, 2026, 4:00 AM ET)

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It affects ILIAS-eLearning e.V. ILIAS. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.57%, higher than 47% of scored CVEs.

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Every CVE for ILIAS-eLearning e.V. ILIAS

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.57% (percentile 47)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

ILIAS-eLearning e.V. ILIAS ilias_elearning_e.v:ilias (from the name)	from 9.0 before 9.24; from 10.0 before 10.12; from 11.0 before 11.5	CNA record

References

References

https://docu.ilias.de/go/blog/15821/952	vendor-advisory
https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=228077&ref_id=35	release-notes
https://github.com/ILIAS-eLearning/ILIAS/commit/cf4e9c230edfd96fc94a1b1d355500aa8c6f1771	patch
https://github.com/ILIAS-eLearning/ILIAS/commit/267d4645ea940f8f97d1a9838deff6a12097564d	patch
https://github.com/ILIAS-eLearning/ILIAS/commit/ac4684239641fb3dab2d636b53a61c46462d1208	patch
https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilObjTest.php#L7364	technical-description
https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilTestResultsImportParser.php#L225	technical-description
https://github.com/ILIAS-eLearning/ILIAS	product
https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-php-object-injection-via-test-results-import	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.