CVE-2026-80428: ILIAS-eLearning e.V. ILIAS

Affected products, as the CNA wrote them
Vendor	Product	Versions
ILIAS-eLearning e.V.	ILIAS https://github.com/ILIAS-eLearning/ILIAS pkg:github/ILIAS-eLearning/ILIAS	affected 9.0 to before 9.22 custom affected 10.0 to before 10.10 custom affected 11.0 to before 11.3 custom Other versions: unaffected

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.3	Critical	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.047, the 91st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=936 release-notes
docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225632&ref_id=35 patchproduct
docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=935 release-notes
docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225631&ref_id=35 productpatch
docu.ilias.de/ilias.php?baseClass=ilrepositorygui&cmdNode=wy:ll:6t&cmdClass=ilBlogPostingGUI&cmd=previewFullscreen&ref_id=15821&blpg=934 release-notes
docu.ilias.de/ilias.php?baseClass=illmpresentationgui&obj_id=225630&ref_id=35 productpatch
schweigertit.de/en/advisories/SIT-2026-002.html technical-description
schweigertit.de/en/writeups/php-object-injection-shibboleth-logout.html technical-descriptionexploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.