CVE-2026-85135

ILIAS MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted upload

State: Published
Severity: 5.3 Medium
Published: Sep 3, 2026
Updated: Sep 3, 2026
Reserved: Sep 3, 2026

Description

A security flaw has been discovered in ILIAS up to 9.21/10.9/11.2. This affects the function ilObjMediaObjectGUI::uploadMultipleSubtitleFileObject of the file Services/Repository/Service/Resources/ZipAdapter.php of the component MediaPool. The manipulation results in unrestricted upload. The attack may be launched remotely. Upgrading to version 9.22, 10.10 and 11.3 is able to mitigate this issue. The patch is identified as ef5d7f99fe1ea0381db04b333a2906548b3590e4/b0d61be43671b6bfe91baf469a5ee11e764f2e23. It is recommended to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-434 Unrestricted Upload
CWE-284 Improper Access Controls

Affected Products

Product	Versions
ILIASn/a	9.0Affected 9.1Affected 9.2Affected 9.3Affected 9.4Affected 9.5Affected 9.6Affected 9.7Affected 9.8Affected 9.9Affected 9.10Affected 9.11Affected 9.12Affected 9.13Affected 9.14Affected 9.15Affected 9.16Affected 9.17Affected 9.18Affected 9.19Affected 9.20Affected 9.21Affected 10.0Affected 10.1Affected 10.2Affected and 13 more versions

References

VDB-398335 | ILIAS MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted uploadvdb-entrytechnical-description
VDB-398335 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-85135 | CVE Analysis and Reportthird-party-advisory
Submit #892842 | ILIAS open source e-Learning e.V. ILIAS 9/10/11/12 Code Injectionthird-party-advisory
https://github.com/ILIAS-eLearning/ILIAS/commit/b0d61be43671b6bfe91baf469a5ee11e764f2e23patch
https://github.com/ILIAS-eLearning/ILIAS/releases/tag/v11.3patch

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