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CVE-2026-85135

ILIAS MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted upload

MEDIUM
6.3
CVSS Score
Published: September 3, 2026 at 02:00 PM UTC
Updated: September 3, 2026 at 05:44 PM UTC
1 product affected across 1 vendorILIAS

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ILIAS· Ilias
60%
10.010.110.210.310.410.510.610.710.810.911.011.111.29.09.19.109.119.129.139.149.159.169.179.189.199.29.209.219.39.49.59.69.79.89.9
Vendor states this is fixed in 10.10 (unaffected)
Vendor states this is fixed in 11.3 (unaffected)
Vendor states this is fixed in 9.22 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/398335
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/398335/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-85135
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/892842
Patch
Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS/commit/b0d61be43671b6bfe91baf469a5ee11e764f2e23
Patch
Source: cverecord
https://github.com/ILIAS-eLearning/ILIAS/releases/tag/v11.3

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-434CWE-284

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