CVE-2026-119428

phpMyAdmin through 5.2.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger outbound connections via setup/validate.php, which lacks the setup-disabled guard. Attackers can POST attacker-chosen host and port values reaching Validator::testDBConnection() to open MySQL-protocol connections and probe internal ports using returned error messages.

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://abraxaslabs.tech/research/phpmyadmin-setup-validate
https://github.com/phpmyadmin/phpmyadmin
https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/libraries/classes/Config/Validator.php#L241
https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/setup/validate.php#L21-L35
https://github.com/phpmyadmin/phpmyadmin/commit/126ac3ac5662ed3171ef3646636348fad3f8e952
https://github.com/phpmyadmin/phpmyadmin/commit/510e442593af5d4702bbb46cdb45ad51f3a8a9d3
https://github.com/phpmyadmin/phpmyadmin/pull/19156
https://www.vulncheck.com/advisories/phpmyadmin-through-5.2.3-ssrf-via-setup-validate-php-after-setup-disabled

Configurations

No configuration.

History

30 Oct 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-30 12:16

Updated : 2026-10-30 19:14

NVD link : CVE-2026-119428

Mitre link : CVE-2026-119428

CVE.ORG link : CVE-2026-119428

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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