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Vulnerability record · CVE-2018-1999018 · published 23 July 2018

CVE-2018-1999018: Pydio improper input validation vulnerability

Pydio · Pydio

Pydio version 8.2.1 and prior contains an Unvalidated user input leading to Remote Code Execution (RCE) vulnerability in plugins/action.antivirus/AntivirusScanner.php: Line 124, scanNow($nodeObject) that can result in An attacker gaining admin access and can then execute arbitrary commands on the underlying OS. This attack appear to be exploitable via The attacker edits the Antivirus Command in the antivirus plugin, and executes the payload by uploading any file within Pydio.

6.6 CVSS 3.0 Medium EPSS 3.5% · top 11.0% CWE-20 · Improper input validation
6.6CVSS 3.0 base score, v2 8.5
3.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Pydio version 8.2.1 and prior contains an Unvalidated user input leading to Remote Code Execution (RCE) vulnerability in plugins/action.antivirus/AntivirusScanner.php: Line 124, scanNow($nodeObject) that can result in An attacker gaining admin access and can then execute arbitrary commands on the underlying OS. This attack appear to be exploitable via The attacker edits the Antivirus Command in the antivirus plugin, and executes the payload by uploading any file within Pydio.

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.mike-gualtieri.com/files/Pydio-8-VulnerabilityDisclosure-Jul18.txt ExploitMitigationThird Party Advisory
https://www.mike-gualtieri.com/files/Pydio-8-VulnerabilityDisclosure-Jul18.txt ExploitMitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-1999018), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.