CVE-2026-86416

ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods

Published Sep 7, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members.
Title ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods
First Time appeared Ilias
Ilias ilias
Weaknesses CWE-862
CPEs cpe:2.3:a:ilias:ilias:*:*:*:*:*:*:*:*
Vendors & Products Ilias
Ilias ilias
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 18, 2026, 5:23 PM
Reserved
Sep 7, 2026, 12:12 PM
Status
Deferred
Published
Sep 7, 2026, 1:20 PM
Modified
Sep 18, 2026, 6:17 PM