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Vulnerability record · CVE-2016-9860 · published 11 December 2016

CVE-2016-9860: Phpmyadmin improper input validation vulnerability

Phpmyadmin · Phpmyadmin

An issue was discovered in phpMyAdmin. An unauthenticated user can execute a denial of service attack when phpMyAdmin is running with $cfg['AllowArbitraryServer']=true. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

5.9 CVSS 3.0 Medium EPSS 1.9% · top 20.7% CWE-20 · Improper input validation
5.9CVSS 3.0 base score, v2 4.3
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in phpMyAdmin. An unauthenticated user can execute a denial of service attack when phpMyAdmin is running with $cfg['AllowArbitraryServer']=true. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/94525 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201701-32
https://www.phpmyadmin.net/security/PMASA-2016-65 PatchVendor Advisory
http://www.securityfocus.com/bid/94525 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201701-32
https://www.phpmyadmin.net/security/PMASA-2016-65 PatchVendor 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-2016-9860), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.