CVE-2016-9186

Unrestricted file upload vulnerability in the "legacy course files" and "file manager" modules in...

8.8 High

Unrestricted file upload vulnerability in the "legacy course files" and "file manager" modules in Moodle 3.1.2 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, and then accessing it via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.82%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2016-9186
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-434
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-9186
Updated: 2026-11-02

EUVDEUVD-2016-10002 No score

Record: EUVD-2016-10002
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vg4g-6rhx-p7rr 8.8

Unrestricted file upload vulnerability in the "legacy course files" and "file manager" modules in...

Record: GHSA-vg4g-6rhx-p7rr
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

OSV 8.8

Record: CVE-2016-9186
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-9186 8.8

Record: UBUNTU-CVE-2016-9186
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known
`moodle` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9186 is a high vulnerability (CVSS 8.8) in Moodle, published November 4, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.82%, the 90th percentile. No source names a fixed version.