CVE-2026-110761
ILIAS before 9.24, 10.12, and 11.5 contains a PHP object injection vulnerability that allows…
- Risk score
- 72/100
- CVSS
- 8.8 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 14 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 …
- Affected
- See advisory
- Fix
- Upgrade the product to 9.24, 10.12 or 11.5 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 8.8 high
- On your watchlist: php
References
- https://docu.ilias.de/go/blog/15821/952
- https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=228077&ref_id=35
- https://github.com/ILIAS-eLearning/ILIAS
- https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilObjTest.php#L7364
- https://github.com/ILIAS-eLearning/ILIAS/blob/2a3758ee3b01e5c66922e08f58a2189146b884d4/components/ILIAS/Test/classes/class.ilTestResultsImportParser.php#L225
- https://github.com/ILIAS-eLearning/ILIAS/commit/267d4645ea940f8f97d1a9838deff6a12097564d
- https://github.com/ILIAS-eLearning/ILIAS/commit/ac4684239641fb3dab2d636b53a61c46462d1208
- https://github.com/ILIAS-eLearning/ILIAS/commit/cf4e9c230edfd96fc94a1b1d355500aa8c6f1771
- https://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-php-object-injection-via-test-results-import
Original description
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.
Last activity 14 Oct 2026. Patch Forecast updates every hour.