ILIAS up to 9.21/10.9/11.2 MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted upload

Summaryinfo

A vulnerability was found in ILIAS up to 9.21/10.9/11.2. It has been rated as critical. This vulnerability affects the function ilObjMediaObjectGUI::uploadMultipleSubtitleFileObject of the file Services/Repository/Service/Resources/ZipAdapter.php of the component MediaPool. This manipulation causes unrestricted upload. This vulnerability is registered as CVE-2026-85135. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in ILIAS up to 9.21/10.9/11.2 and classified as critical. Affected by this vulnerability is the function ilObjMediaObjectGUI::uploadMultipleSubtitleFileObject of the file Services/Repository/Service/Resources/ZipAdapter.php of the component MediaPool. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability.

This vulnerability is known as CVE-2026-85135. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

By approaching the search of inurl:Services/Repository/Service/Resources/ZipAdapter.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 9.22, 10.10 or 11.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch ef5d7f99fe1ea0381db04b333a2906548b3590e4/b0d61be43671b6bfe91baf469a5ee11e764f2e23 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• ILIAS

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 9.7
• 9.8
• 9.9
• 9.10
• 9.11
• 9.12
• 9.13
• 9.14
• 9.15
• 9.16
• 9.17
• 9.18
• 9.19
• 9.20
• 9.21
• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 10.7
• 10.8
• 10.9
• 11.0
• 11.1
• 11.2

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #892842: ILIAS open source e-Learning e.V. ILIAS 9/10/11/12 Code Injection (by andre.schweigert)

Be aware that VulDB is the high quality source for vulnerability data.

Discussion